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Chapter 8: Indices - Quiz #2

Total questions: 45

Worksheet time: 1hrs 10mins

Name
Class
Date
1.
Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.
a)
True
b)
False
2.

Scientific Notation is made up of two number parts. The second part is a power 10.

a)

True

b)

False

3.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
4.

What is scientific notation?

a)

A long way to write really short numbers

b)

A short way to write really large or really small numbers

c)

I don't know...

d)

None of the above

5.

If the exponent is a positive number the original number was...

a)

a really big number.

b)

a really small number.

6.

If the exponent is a negative number the original number was...

a)

a really large number.

b)

a really small number.

7.
The rule of scientific notation is to write all exponents with a base of ____.
a)
50
b)
5
c)
100
d)
10
8.
How do you write
1001
in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
9.

In Multiplication, when the exponent is negative, you move your decimal....

a)

to the right

b)

to the left

c)

to both sides

d)

nowhere.... the decimal goes nowhere

10.
ANY number raised to a power of 0 will be....
a)
10
b)
itself
c)
1
d)
0
11.
Express the following in scientific notation:
1010.10
a)
1.01010  x 103
b)
1.01010 x 105
c)
1.01010 x 10-3
d)
1.01010 x 10-5
12.
Round 0.010229 to four significant figures
a)
1022
b)
1023
c)
0.01023
d)
0.01022
13.
Round 1009 to three sig figs
a)
100
b)
101
c)
1010
d)
1000
14.

Round 509.967 to 4 significant figures.

a)

509.9

b)

509.0

c)

510.0

d)

510.10

15.

Write 1.26 x 103 in standard or expanded form.

a)

1260

b)

126

c)

126.0

d)

12.6

16.

Divide and report to the correct number of significant figures:

(6 x 106) / (2 x 103)

a)

12 x 109

b)

3 x 109

c)

1.2 x 104

d)

3 x 103

17.

Multiply and report to the correct number of significant figures:

(9.0 x 10-6) x (3.0 x 10-3)

a)

27 x 10-8

b)

3 x 10-8

c)

3 x 10-3

d)

2.7 x 10-8

18.
What is 78.5 rounded to one significant figure?
a)
79
b)
78.5
c)
70
d)
80
19.

What is 0.658 rounded to 1 significant figure?

a)

0

b)

0.66

c)

0.7

d)

0.658

20.
What is 98.907 rounded to 1 significant figure?
a)
98.9
b)
90
c)
100
d)
98.91
21.

Round to 3 significant figures: 0.000620435

a)

0.62

b)

0.0062

c)

0.00062

d)

0.00063

22.

Write in scientific notation:

45 x 104 / 9 x 10-2

a)

0.5 x 105

b)

50 x 104

c)

5 x 106

d)

15 x 102

23.

Simplify and write in the scientific notation

a)

14 x 10-7

b)

4 x 10

c)

7 x 107

d)

70 x 107

24.

Simplify and write in the scientific notation

a)

16 x 103

b)

1.6 x 104

c)

16 x 104

d)

1.6 x 1011

25.

Simplify

a)

8a6/ b6

b)

8a5/ b6

c)

9a6/ b6

d)

8

26.

Simplify and put in the scientific notation:

a)

64 x 1012

b)

6.4 x 1012

c)

64 x 1013

d)

6.4 x 1013

27.

Given that Speed = Distance /Time solve the following:

a)

6.9 x 1010

b)

69 x 1010

c)

6.9 x 1011

d)

69 x 1011

28.

Simplify: - (-1)10

a)

1

b)

-1

c)

10

d)

0

29.

Simplify and write in scientific notation:

a)

50 x 105

b)

5 x 106

c)

0.5 x 105

d)

5 x 105

30.

Write 32 x 10-7 in the scientific notation:

a)

3.2 x 10-6

b)

3.2 x 10-7

c)

32 x 10-6

d)

320 x 10-6

31.

Simplify (4x/y3)-2

a)

y16 / 16x2

b)

y6 / 16x2

c)

16x2 / y6

32.

Simplify and write in scientific notation: (8 x 10-2)2

a)

6.4 x 10-4

b)

64 x 10-3

c)

6.4 x 10-3

d)

64 x 10-4

33.
Convert to standard notation:
3.05 x 105 
a)
305,000
b)
305
c)
3,050,000
d)
30,500
34.
Put the following number in scientific notation:
0.062
a)
0.62 x 101
b)
62
c)
6.2 x 10-2
d)
6.2 x 102
35.
Put the following number in scientific notation:
4,281
a)
4.281 x 103
b)
0.4281 x 104
c)
4.281 x 10-3
d)
42.81 x 102
36.
Solve:
(2.2 x 10 4) x (7.1x 10 5)
a)
1.562 x 1010
b)
15.62 x 109
c)
15.62 x 1020
d)
1.562 x 1020
37.
Solve:
(6 x 106) / (2 x 103)
a)
12 x 103
b)
3 x 109
c)
1.2 x 104
d)
3 x 103
38.
Solve:
(2.1×10​2​​) × (3.0×10​4)
a)
5.1 x 102
b)
6.3 x 106
c)
5.1 x 106
d)
6.3 x 108
39.

How do you write

8.317 x 106

in standard form?

a)

8, 3710, 000

b)

83, 170, 000

c)

837, 100

d)

8, 317, 000

40.
What is it called when you go from this form to this next form?
0.0088 to 8.8 x 103
a)
Standard form to scientific notation
b)
Scientific notation to regular form
c)
Scientific notation to standard form
d)
Standard form to regular form
41.
How many significant figures are there in -0.090 80?
a)
3
b)
4
c)
5
d)
6
42.
Round off 1 296 717 to 3 significant figures.
a)
1 290 000
b)
1 296 000
c)
1 297 000
d)
1 300 000
43.

How many significant figures are there?

1.520

a)

1

b)

2

c)

3

d)

4

44.

Simplify:

a)

7

b)

5

c)

3 1/2

d)

1/3

45.

Simplify:

a)

64/25

b)

10/16

c)

16/10

d)

25/64

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