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Basic Math Skills needed to move to 2nd form

Total questions: 164

Worksheet time: 6hrs 59mins

Name
Class
Date
1.

Which one of this numbers is integer?

a)

2/5

b)

10%

c)

-11

d)

0,2

2.

25 + (-5) = ...

a)

-30

b)

20

c)

30

d)

-20

3.

(-8) + 10 = ...

a)

-2

b)

-18

c)

2

d)

18

4.

18 - (-2) = ...

a)

20

b)

16

c)

9

d)

-16

5.

(-2) - (-10) = ...

a)

-8

b)

-12

c)

12

d)

8

6.

positive x positive = ...

a)

positive

b)

negative

7.

11 x (-2) = ...

a)

22

b)

-22

c)

-13

d)

13

8.

(-7) x (-3) = ...

a)

-10

b)

-21

c)

21

d)

-4

9.

negative x positive = ...

a)

positive

b)

negative

10.

20 : 4 = ...

a)

5

b)

-5

c)

16

d)

24

11.

-48 : 6 = ...

a)

-6

b)

6

c)

8

d)

-8

12.

Given (8 + 2) : 5 - 3 which operation shoukd be calculate first ?

a)

( )

b)

+

c)

-

d)

:

13.

Given 16 : 2 + 2 x 1 - 5 which operation should be calculate first ?

a)

+

b)

-

c)

x

d)

:

14.

5 x 4 : 2 + 1 = ...

a)

20

b)

11

c)

10

d)

13

15.

(10 + 2) : (2 x 3) = ...

a)

2

b)

3

c)

6

d)

5

16.

Evaluate

454-5  

a)

99  

b)

9-9  

c)

11  

d)

1-1  

e)

20-20  

17.

Evaluate

25-2-5  

a)

77  

b)

7-7  

c)

3-3  

d)

33  

e)

1010  

18.

Evaluate

10+2-10+2  

a)

88  

b)

12-12  

c)

1212  

d)

8-8  

e)

20-20  

19.

Evaluate 5+(+3)

a)

88

b)

1515

c)

22

d)

8-8

e)

15-15

20.

Evaluate

(3)+(9)\left(-3\right)+\left(-9\right)  

a)

12-12  

b)

1212  

c)

2727  

d)

66  

e)

6-6  

21.

Evaluate

(4)+(+10)\left(-4\right)+\left(+10\right)  

a)

14-14  

b)

1414  

c)

66  

d)

6-6  

e)

40-40  

22.

Evaluate

(5)×(4)\left(-5\right)\times\left(-4\right)  

a)

2020  

b)

20-20  

c)

99  

d)

9-9  

e)

1-1  

23.

Evaluate

6÷(2)-6\div\left(-2\right)  

a)

33  

b)

3-3  

c)

44  

d)

4-4  

e)

1212  

24.

Evaluate

4×5-4\times5  

a)

2020  

b)

20-20  

c)

99  

d)

9-9  

e)

11  

25.

Evaluate

82\frac{8}{-2}  

a)

44  

b)

4-4  

c)

12\frac{1}{2}  

d)

12-\frac{1}{2}  

e)

16-16  

26.

Evaluate

39\frac{-3}{-9}  

a)

33  

b)

3-3  

c)

13\frac{1}{3}  

d)

13-\frac{1}{3}  

e)

2727  

27.

Evaluate

(+109)(+109)\left(+109\right)-\left(+109\right)  

a)

00  

b)

0-0  

c)

+0+0  

d)

218218  

e)

218-218  

28.

Evaluate

(4)(+17)\left(-4\right)-\left(+17\right)  

a)

1313  

b)

13-13  

c)

2121  

d)

21-21  

e)

68-68  

29.

Evaluate

8(15)8-\left(-15\right)  

a)

2323  

b)

23-23  

c)

7-7  

d)

77  

e)

8-8  

30.

Arrange in ascending order

8    , 340    ,  0    , 3 8\ \ \ \ ,\ -340\ \ \ \ ,\ \ 0\ \ \ \ ,\ -3\  

a)

0  ,  3  ,  8  , 3400\ \ ,\ \ -3\ \ ,\ \ 8\ \ ,\ -340  

b)

340  ,  3  ,  0  ,   8-340\ \ ,\ \ -3\ \ ,\ \ 0\ \ ,\ \ \ 8  

c)

8  ,  0  ,   3  ,  3408\ \ ,\ \ 0\ \ ,\ \ \ -3\ \ ,\ \ -340  

d)

 340  ,  8  ,  3  ,  0-\ 340\ \ ,\ \ 8\ \ ,\ \ -3\ \ ,\ \ 0  

e)

3   ,   0   ,   8  ,   340-3\ \ \ ,\ \ \ 0\ \ \ ,\ \ \ 8\ \ ,\ \ -\ 340  

31.

The standard set of integer (using standard set notation and standard symbol) is 

a)

Z={...,3,2,1, 0, 1, 2, 3, ...}Z=\left\{...,-3,-2,-1,\ 0,\ 1,\ 2,\ 3,\ ...\right\}  

b)

Z={...,1,2,3, 0, 1, 2, 3, ...}Z=\left\{...,-1,-2,-3,\ 0,\ 1,\ 2,\ 3,\ ...\right\}  

c)

Q={...,3,2,1, 0, 1, 2, 3, ...}Q=\left\{...,-3,-2,-1,\ 0,\ 1,\ 2,\ 3,\ ...\right\}  

d)

{...,3,2,1, 0, 1, 2, 3, ...}\left\{...,-3,-2,-1,\ 0,\ 1,\ 2,\ 3,\ ...\right\}  

e)

Z={3,2,1, 0, 1, 2, 3}Z=\left\{-3,-2,-1,\ 0,\ 1,\ 2,\ 3\right\}  

32.

The vector on the graph represents the integer

a)

4-4

b)

22

c)

6-6

d)

44

e)

66

33.

Evaluate the missing value

8 + .... = 58\ +\ ....\ =\ -5  

a)

13-13  

b)

1313  

c)

33  

d)

3-3  

e)

40-40  

34.

Evaluate

3×3-3\times-3  

a)

9

b)

-9

c)

-6

d)

6

e)

-33

35.

Evaluate the missing value in

8+... =1-8+...\ =1  

a)

77  

b)

99  

c)

9-9  

d)

7-7  

e)

8-8  

36.

Write 2 342\ \frac{3}{4}   as an improper fraction

a)

114\frac{11}{4}  

b)

122\frac{12}{2}  

c)

103\frac{10}{3}  

d)

84\frac{8}{4}  

37.

Write 547\frac{54}{7}   as a mixed number

a)

77  

b)

7 577\ \frac{5}{7}  

c)

7 477\ \frac{4}{7}  

d)

6 576\ \frac{5}{7}  

38.

Which operations with fractions REQUIRE common denominators. Select 2 answers

a)

Addition

b)

Subtraction

c)

Multiplication

d)

Division

e)

None of the 4 basic operations

39.

What is the first step in solving the problem 45+12\frac{4}{5}+\frac{1}{2}  

a)

Add the numerators (top parts of the fractions).

b)

Rewrite the fractions in the simplest form. 

c)

Rewrite the fractions with a common denominator. 

d)

Make each fraction into an improper faction. 

40.

Evaluate to its lowest term 616+916\frac{6}{16}+\frac{9}{16}  

a)

1316\frac{13}{16}  

b)

1532\frac{15}{32}  

c)

1516\frac{15}{16}  

d)
1
41.

Evaluate to its lowest terms 12+35\frac{1}{2}+\frac{3}{5}  . Select two answers

a)

47\frac{4}{7}  

b)

1110\frac{11}{10}  

c)

1 1101\ \frac{1}{10}  

d)

25\frac{2}{5}  

42.

Evaluate to its lowest terms 7812\frac{7}{8}-\frac{1}{2}  

a)

38\frac{3}{8}  

b)

810\frac{8}{10}  

c)

45\frac{4}{5}  

d)

12\frac{1}{2}  

43.

Evaluate to its lowest term 5×185\times\frac{1}{8}  

a)

140\frac{1}{40}  

b)

5 185\ \frac{1}{8}  

c)

6 386\ \frac{3}{8}  

d)

58\frac{5}{8}  

44.

Evaluate to its lowest terms 3823\frac{3}{8}\cdot\frac{2}{3}  

a)
1/4
b)
9/16
c)
5/11
d)
6/24
45.

Evaluate to its lowest terms 94÷16\frac{9}{4}\div\frac{1}{6}  

a)

82\frac{8}{2}  

b)

272\frac{27}{2}  

c)

92\frac{9}{2}  

d)

924\frac{9}{24}  

e)

38\frac{3}{8}  

46.

Evaluate to its lowest terms 5÷135\div\frac{1}{3}  

a)

1515  

b)

53\frac{5}{3}  

c)

1 251\ \frac{2}{5}  

d)

115\frac{1}{15}  

47.

Evaluate to its lowest terms 37÷2\frac{3}{7}\div2  

a)

314\frac{3}{14}  

b)

143\frac{14}{3}  

c)

67\frac{6}{7}  

d)

76\frac{7}{6}  

48.
Add the fractions:
1/3 + 1/5 =
a)
8/15
b)
2/5
c)
1/2
d)
1/3
49.
What is the product of these fractions in lowest terms?
a)
20/50
b)

4/5

c)
2/5
d)

4/10

50.
a)
-4/3
b)
13/18
c)
4/3
d)
2/9
51.
2/5 divided by 3/4
a)
8/15
b)
6/20
c)
3/10
d)
3/20
52.
It took Earl ½ hour to do his science homework and ⅓ hour to do his math homework.  How long did Earl work on homework?
a)
⅖ hour
b)
⅙ hour
c)
⅚ hour
d)
⅕ hour
53.
Complete the equivalent fraction.
a)
6
b)
9
c)
15
d)
23
54.
6  2/5 + 4  1/5 =
a)
10  4/5
b)
10  3/5
c)
10  1/5
d)
10
55.
Convert to an improper fraction.
a)
8/5
b)
11/5
c)
11/2
d)
2/5
56.
Multiply.   Be sure to simplify your answer when possible.
a)
12 5/6
b)
77/6
c)
6/77
d)
12 6/5
57.
Laney bought  1 2⁄3 pounds of grapes.  She also bought bananas that were 2 1⁄4 times the weight of the grapes.  How much did the bananas weigh?
a)
4 3⁄4 pounds
b)
3 3⁄4 pounds
c)
4 4⁄3 pounds
d)
3 4⁄3 pounds
58.
a)
3  2/7
b)
4  4/7
c)
57/9
d)
5  1/2
59.

2 23÷82\ \frac{2}{3}\div8  

a)

22  

b)

364\frac{3}{64}  

c)

3232  

d)

13\frac{1}{3}  

60.

3 1/4 - 1 4/5

a)

2 3/5

b)

2 1/4

c)

1 2/5

d)

1 9/20

61.

What must you do first in order to add or subtract unlike fractions?

a)

add the numerators

b)

add the denominators

c)

find a common denominator

d)

find a common numerator

62.

Alisha kept track of the growth of a plant. At the beginning of one week, her plant was 1 7/8 inches tall. The next week, the plant was 2 3/4 inches tall. How many inches did Alisha’s plant grow over the week?

a)

1/2

b)

7/8

c)

1 1/2

d)

4 5/8

63.

Which operations with fractions REQUIRE common denominators.

a)

Addition

b)

Subtraction

c)

Multiplication

64.
Find the product.  Then, simplify.
a)
10/18
b)
5/9
c)
10/6
d)
15/12
65.
Which fraction is equivalent to 6/9?
a)
24/32
b)
18/36
c)
30/40
d)
36/54
66.
Solve the following expression: 
1/8 ÷ 8/1 = 
a)
1/64
b)
1/10
c)
1/99
d)
1/18
67.
Solve.  2/3 + 7/12
a)
3/5
b)
9/15
c)
15/12
d)
5/12
68.

2 342\ \frac{3}{4}  + 56\frac{5}{6}  



a)

3 7123\ \frac{7}{12}  

b)

3 10123\ \frac{10}{12}  

c)

3 8243\ \frac{8}{24}  

69.
Brooke had 3/5 of an apple pie and her mom had 2/7 of an apple pie.  How much apple pie do they have altogether?
a)
35/35
b)
5/12
c)
31/35
d)
1  2/35
70.

7/8 - 7/12

a)

7/24

b)

1/4

c)

7/12

d)

4/24

71.

5678-\frac{5}{6}-\frac{7}{8}  

a)

1 1724-1\ \frac{17}{24}  

b)

14-\frac{1}{4}  

c)

124\frac{1}{24}  

d)

1 1748-1\ \frac{17}{48}  

72.

1720  35\frac{17}{20}\ -\ \frac{3}{5}  

a)

14\frac{1}{4}  

b)

11  

c)

15\frac{1}{5}  

d)

120\frac{1}{20}  

73.

Each batch of cookies calls for 1/8 cup of brown sugar. Teddy has 3/4 cup of brown sugar. How many batches of cookies could she make?

a)

8

b)

6

c)

4

d)

2

74.
a)

5/14

b)

6/14

c)

7/17

d)

8/14

75.
Multiply 2/6 x 3/5
a)
1/5
b)
1 / 1
c)
1 / 6
d)
0
76.
Multiply
a)
5 / 18
b)
16 / 15
c)
28 / 9
d)
4 / 9
77.
Multiply these fractions
a)
13 / 18
b)
13 / 72
c)
5/9
d)
64 / 45
78.
1/4  ÷  2/5
a)
5/8
b)
2/20
c)
1/10
d)
3/9
79.

2 34÷1 12=2\ \frac{3}{4}\div1\ \frac{1}{2}=  

a)

338\frac{33}{8}  

b)

2212\frac{22}{12}  

c)

833\frac{8}{33}  

d)

1222\frac{12}{22}  

80.

45×54=\frac{4}{5}\times\frac{5}{4}=  

(a)  

81.
In the following question, will the answer be negative or positive?
3/4 x (-3/4) x (-5/6)
a)
Negative
b)
Positive
c)
Zero
82.

Simplify 2x + 7x + x

a)

9

b)

10

c)

9x

d)

10x

83.

Simplify


11p - 5p

a)

6

b)

6p

c)

16

d)

16p

84.

Simplify


16x - 3 - 3x - 5

a)

5x

b)

13x - 2

c)

13x - 8

d)

11x

85.

Simplify


10k - 4 - 4k - 8

a)

6k - 4

b)

-6k

c)

6k - 12

d)

2k + 1

86.

Simplify


(6y - 5) - (3 + 3y)

a)

3y - 8

b)

-3y - 8

c)

3y + 2

d)

3y - 2

87.

Simplify


2a - 3b - (4a - b)

a)

2a - 2b

b)

2a + 2b

c)

-2a - 4b

d)

-2a - 2b

88.

Simplify


(6y - 5) - (3 + 3y)

a)

3y - 8

b)

-3y - 8

c)

3y + 2

d)

3y - 2

89.

2x + 5x - 4 + 1

a)

7x -3

b)

10x - 3

c)

4x

90.

x2+23x2+1x^2+2-3x^2+1  
  

a)

0

b)

2x2+3-2x^2+3  

c)

4x2+34x^2+3  

d)

2x232x^2-3  

91.

11 g -9 g + 8 g

a)

10g

b)

9 g

c)

2 g

d)

12 g

92.

8m(4m)+3n2n8m-\left(-4m\right)+3n-2n  

a)

12m+n12m+n  

b)

4m+n4m+n  

c)

12mn12m-n  

d)

4mn4m-n  

93.

7x(2yx)+y7x-\left(2y-x\right)+y  

a)

8xy8x-y  

b)

6xy6x-y  

c)

5xy2y5xy-2y  

d)

8x+y8x+y  

94.

3b+5c(2b+c)63b+5c-\left(2b+c\right)-6  

a)

b+4c6b+4c-6  

b)

b+6c6b+6c-6  

c)

5b+6c65b+6c-6  

d)

5b+6c5b+6c  

95.

Simplify the expression by combining like terms.

8a+4b+2c-3b+a

a)

9a+b+2c

b)

10a+7b+c

c)

13abc

d)

18abc

96.

Simplify the expression by combining like terms.

9x2+14x-x2+6x

a)

8x2+20x

b)

9x2+20x

c)

10x2+20x

d)

8x2+8x

97.

Simplify 2x + 7x + x

a)

9

b)

10

c)

9x

d)

10x

98.

Simplify


11p - 5p

a)

6

b)

6p

c)

16

d)

16p

99.

Simplify


16x - 3 - 3x - 5

a)

5x

b)

13x - 2

c)

13x - 8

d)

11x

100.

Simplify


10k - 4 - 4k - 8

a)

6k - 4

b)

-6k

c)

6k - 12

d)

2k + 1

101.

Simplify


2a - 3b - (4a - b)

a)

2a - 2b

b)

2a + 2b

c)

-2a - 4b

d)

-2a - 2b

102.

Simplify


2a - 3b - (4a - b)

a)

2a - 2b

b)

2a + 2b

c)

-2a - 4b

d)

-2a - 2b

103.

Simplify


(6y - 5) - (3 + 3y)

a)

3y - 8

b)

-3y - 8

c)

3y + 2

d)

3y - 2

104.

2x + 5x - 4 + 1

a)

7x -3

b)

10x - 3

c)

4x

105.

x2+23x2+1x^2+2-3x^2+1  
  

a)

0

b)

2x2+3-2x^2+3  

c)

4x2+34x^2+3  

d)

2x232x^2-3  

106.

11 g -9 g + 8 g

a)

10g

b)

9 g

c)

2 g

d)

12 g

107.

8m(4m)+3n2n8m-\left(-4m\right)+3n-2n  

a)

12m+n12m+n  

b)

4m+n4m+n  

c)

12mn12m-n  

d)

4mn4m-n  

108.

7x(2yx)+y7x-\left(2y-x\right)+y  

a)

8xy8x-y  

b)

6xy6x-y  

c)

5xy2y5xy-2y  

d)

8x+y8x+y  

109.

3b+5c(2b+c)63b+5c-\left(2b+c\right)-6  

a)

b+4c6b+4c-6  

b)

b+6c6b+6c-6  

c)

5b+6c65b+6c-6  

d)

5b+6c5b+6c  

110.

Simplify the expression by combining like terms.

8a+4b+2c-3b+a

a)

9a+b+2c

b)

10a+7b+c

c)

13abc

d)

18abc

111.

Simplify the expression by combining like terms.

9x2+14x-x2+6x

a)

8x2+20x

b)

9x2+20x

c)

10x2+20x

d)

8x2+8x

112.
The product of five and w
a)
5+w
b)
5w
c)
w-5
d)
5-w
113.
The quotient of seven and w
a)
7/w
b)
7w
c)
w/7
d)
w7
114.
Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a2 + c2   
a)
22
b)
34
c)
68
d)
43
115.
Six divided by the product of -7 and b.
a)
6/b-7
b)
6/-7b
c)
-7b/6
d)
b-7/6
116.
Simplify the Expression: 10x - 3(2x + 8)
a)
4x - 24
b)
-4x + 24
c)
16x - 24
d)
14x - 6
117.

Simplify using the distributive property: 3(2c - 5)

a)

6c - 15

b)

6c + 15

c)

6c + 15

d)

-6c - 15

118.
Solve the equation:
4p = 16
a)
p = 12
b)
p = -12
c)
p = -4
d)
p = 4
119.
Evaluate -2x  if     x = 10
a)
-8
b)
20
c)
-20
120.
Solve the equation:
1/2x = 6
a)
x = 12
b)
x = -12
c)
x = 3
d)
x = -3
121.
Evaluate when a = 15:
2(a - 5) + 2
a)
22
b)
27
c)
14
d)
7
122.
What is the operation?
3(f)
a)
addition
b)
subtraction
c)
multiplication
d)
division
123.
What is the operation?
k
̅9
a)
addition
b)
subtraction
c)
multiplication
d)
division
124.
g divided by 9
a)
9g
b)
g-9
c)
g/9
d)
9/g
125.
Three times a number increased by nine
a)
3h-9
b)
3(h-9)
c)
3(h+9)
d)
3h+9
126.
The product of 7 and j increased by 3.
a)
3+7j
b)
7j-3
c)
7(j+3)
d)
3j+7
127.

Multiply b by 6, then subtract 11.

a)

6 x 11 - b

b)

11 - 6 + b

c)

6b - 11

d)

11b - 6

128.

What property is being used in multiplication of algbraic expressions?

a)

Addition property

b)

Multiplication Property

c)

Distributive Property

d)

Substitution Property

129.

What is the product of 5a(7a2+3)5a\left(7a^2+3\right)  ? 

a)

35a2+1535a^2+15  

b)

35a3+15a35a^3+15a  

c)

35a315a35a^3-15a  

d)

35a2+15a35a^2+15a  

130.

Multiply: (8x)(3x2)\left(8x\right)\left(-3x^2\right)  

a)

24x324x^3  

b)

24x3-24x^3  

c)

24x224x^2  

d)

24x2-24x^2  

131.

Multiply: (x2)(x2+3x+4)\left(x-2\right)\left(x^2+3x+4\right)  

a)

x3+x22x8x^3+x^2-2x-8  

b)

x3+x22x+8x^3+x^2-2x+8  

c)

x3x22x8x^3-x^2-2x-8  

d)

x3+x2+2x+8x^3+x^2+2x+8  

132.

What will you do the exponents of x in x10x8\frac{x^{10}}{x^8}   to get the quotient?

a)

add

b)

subtract

c)

multiply

d)

divide

133.

Divide. 4a62\frac{4a-6}{2}  

a)

2a-3

b)

2a+3

c)

2a-4

d)

2a+4

134.

Divide: 14a2b521a3b2+28ab7ab\frac{14a^2b^5-21a^3b^2+28ab}{7ab}  

a)

2ab43a2b+42ab^4-3a^2b+4  

b)

2ab4+3a2b+42ab^4+3a^2b+4  

c)

2ab43a2b42ab^4-3a^2b-4  

d)

2a4b23a2b+42a^4b^2-3a^2b+4  

135.

Simplify:

m4 × m

a)

m2

b)

m3

c)

4m4

d)

m5

136.

Simplify:

3g6 × 5g5

a)

8g

b)

8g11

c)

15g1

d)

15g11

137.

Simplify:

26 × 219

a)

425

b)

825

c)

225

d)

413

138.

Simplify:

189 × 189

a)

3241

b)

1818

c)

1

d)

181

139.

Simplify:

8y3× 12y7

a)

20y10

b)

96y10

c)

20y-4

d)

96y7

140.

Simplify:

12r3 × 12r17

a)

1r20

b)

12r20

c)

144r14

d)

144r20

141.

Simplify:

5f18 × 12f5

a)

17f13

b)

60f13

c)

60f23

d)

60f2

142.

Simplify:

m × m2 × m5

a)

m8

b)

3m7

c)

3m8

d)

m5

143.
Write 2 x 2 x 2 x 2 in index form
a)
23
b)
25
c)
16
d)
24
144.
a×a×a
a)
3a
b)
3a3
c)
a3
d)
3a2
145.

Write x×x×x×x×x×xx\times x\times x\times x\times x\times x  in index form

a)

6x6x  

b)

x6x^6  

c)

6x66x^6  

d)

66  

146.

3a2b33a^2b^3  in expanded form is:

a)

3×a2×b33\times a^2\times b^3  

b)

3×2a×3b3\times2a\times3b  

c)

3×a×a×b×b×b3\times a\times a\times b\times b\times b  

d)

18×a×b18\times a\times b  

147.
Write 12 x 12 x 12 x 12 x 12 x 12 x 12 in index form
a)
126
b)
127
c)
128
d)
125
148.
Express b2 in expanded form
a)
b+b
b)
b+b+b
c)
b×b
d)
2×b
149.

what is the base number?

(a)  

150.

What is the index number?

(a)  

151.
Simplify: 28 ÷ 22
a)
26
b)
24
c)
210
d)
1
152.
Simplify: 3x3 × 6x8
a)
18x11
b)
18x24
c)
9x11
d)
9x24
153.
Simplify: 42m12 ÷ 7m6
a)
6m6
b)
6m2
c)
35m6
d)
35m2
154.
Simplify: 64x16y12 ÷ 4x8y3
a)
16x8y9
b)
16x2y4
c)
60x8y9
d)
60x2y4
155.

a9b6÷a4b3a^9b^6\div a^4b^3  

a)

a5b3a^5b^3  

b)

aba^{ }b^{ }  

c)

a5b3-a^5b^3  

d)

a3b5a^3b^5  

156.

6a5÷2a36a^5\div2a^3  

a)

3-3  

b)

a2a^2  

c)

3a23a^2  

157.

a7a2\frac{a^7}{a^2}  

a)

a5a^5  

b)

a2a^2  

c)

a2.5a^{2.5}  

158.

a6a5\frac{a^6}{a^5}  

a)

aa   

b)

55  

c)

a2a^2  

159.

6a5÷2a36a^5\div2a^3  

a)

2a32a^3  

b)

3a23a^2  

c)

6a56a^5  

160.

15a2b43ab\frac{15a^2b^4}{3ab}  

a)

5ab35ab^3  

b)

5ab5ab  

c)

ab2ab^2  

d)

ab22ab^{22}  

161.

a6a4\frac{a^6}{a^4}  

a)

aa  

b)

a2a^2  

c)

a64a^{64}  

162.

67÷63= ??6^7\div6^3=\ ??  

a)

676^7  

b)

646^4  

c)

636^3  

d)

6106^{10}  

163.
Simplify: 35 x 37
a)
312
b)
912
c)
335
d)
935
164.
Simplify: 28 ÷ 22
a)
26
b)
24
c)
210
d)
1