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WorksheetsUnit 1A
Total questions: 48
Worksheet time: 56mins
Name
Class
Date
1.
5³⋅5⁴
a)
5⁷
b)
5⁻¹
c)
5¹²
d)
5
2.
(2⁸)²
a)
2¹⁶
b)
2¹⁰
c)
2⁶
d)
2⁴
3.
Anything raised to a power of zero is always:
a)
0
b)
1
c)
itself
d)
negative
4.
According to exponent rules, when we raise the power to a power we _______ the exponents.
a)
add
b)
subtract
c)
multiply
d)
divide
5.
According to exponent rules, when we multiply the expressions we _______ the exponents.
a)
add
b)
subtract
c)
multiply
d)
divide
6.
According to exponent rules, when we divide the expressions we _______ the exponents.
a)
add
b)
subtract
c)
multiply
d)
divide
7.
8⁷ ⁄ 8²
a)
8⁵
b)
8⁹
c)
8¹⁴
d)
1⁵
8.
3⁻⁴
a)
1 ⁄ 34
b)
-34
c)
34
d)
1 ⁄ 12
9.
(3y⁴)²
a)
9y⁸
b)
9y⁶
c)
6y⁸
d)
6y⁶
10.
3x⁻³
a)
1⁄3x³
b)
3⁄x³
c)
3x³
d)
-3x³
11.
Simplify the exponential expression:
a)
10x-2
b)
2x2
c)
2x12
d)
10x12
12.
Simplify x-7
a)
-7
b)
-7x
c)
1/x7
d)
-1/x7
13.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
14.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)
5 x 104
c)
5 x 103
d)
.5 x 103
15.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
16.
When writing a number in scientific notation, the first number must be greater than 1, but less than 10.
a)
False
b)
True
17.
The rule of scientific notation is to write all exponents with a base of ____.
a)
50
b)
5
c)
100
d)
10
18.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
19.
Express the following in standard notation:
8.025 x 10-8
8.025 x 10-8
a)
.00000008025
b)
.000000008025
c)
802,500,000,000
d)
80,250,000,000
20.
Express the following in scientific notation:
0.0000002203
0.0000002203
a)
.02203 x 107
b)
22.03 x 10-6
c)
2.203 x 10-7
d)
22.03 x 106
21.
Multiply:
(3.4 x 105)(1.2 x 10-3)
(3.4 x 105)(1.2 x 10-3)
a)
4.08 x 103
b)
4.8 x 102
c)
4.08 x 102
d)
4.08 x 101
22.
Divide:
(6.9 x 107) / (2.3 x 10-3)
(6.9 x 107) / (2.3 x 10-3)
a)
3 x 1010
b)
3 x 104
c)
3 x 105
d)
3 x 1011
23.
Write the answer in scientific notation.
7.3 x 105 + 3.7 x 105 =
7.3 x 105 + 3.7 x 105 =
a)
11.0 x 105
b)
1.1 x 1010
c)
1.1 x 1011
d)
1.1 x 10 6
24.
Write the answer in scientific notation.
5 x 108 - 3.4 x 108 =
5 x 108 - 3.4 x 108 =
a)
8.4 x 108
b)
8.4 x 100
c)
1.6 x 100
d)
1.6 x 108
25.
Solve for x when x= √16
a)
x = 2
b)
x = 4
c)
x = 8
d)
x = 32
26.
True or false? 9² is 18
a)
True
b)
False
27.
√100
a)
15
b)
10
c)
11
d)
12
28.
What is the length of a side of a square with and area of 25 square feet?
a)
12.5 feet
b)
10 feet
c)
5 feet
d)
6 feet
29.
Square roots are the opposite of ____________.
a)
Cube Roots
b)
Squaring
c)
Multiplication
d)
Absolute Value
30.
Find the cube root.
a)
9
b)
3
c)
-9
d)
-3
31.
Find the cube root.
a)
2
b)
-2
c)
4
d)
24
32.
a)
8
b)
9
c)
10
d)
11
33.
a)
1/2
b)
2/3
c)
10/16
d)
9/11
34.
In between what two integers is the square root of 77?
a)
5 and 6
b)
6 and 7
c)
7 and 8
d)
8 and 9
35.
What two integers is the square root of 48 between?
a)
5 and 6
b)
6 and 7
c)
7 and 8
d)
23 and 25
36.
Which number is NOT a perfect square?
a)
196
b)
169
c)
121
d)
132
37.
Point B could represent which of the following numbers?
a)
√24
b)
√30
c)
√35
d)
√42
38.
Which value is closest to ∛100?
a)
3
b)
4.5
c)
10
d)
33.5
39.
The ∛24 is closest to which point on the number line?
a)
A
b)
B
c)
C
d)
D
40.
What is a rational number ?
a)
A rational number is a number that cannot be written as a fraction.
b)
A rational number is a number that can be written as a fraction.
c)
A rational number cannot be a repeating decimal.
41.
What type of number is π ?
a)
Rational
b)
Irrational
42.
Which number is irrational?
a)
9.6
b)
√45
c)
3/8
d)
3.4 x 10 ⁵
43.
Which number is a rational number ?
a)
1/4
b)
π
c)
√3
d)
∛25
44.
√7
a)
Rational
b)
Irrational
45.
√25
a)
Rational
b)
Irrational
46.
-17.565
a)
Rational
b)
Irrational
47.
.141414141414...
a)
Rational
b)
Irrational
48.
√3
a)
rational
b)
irrational
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