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operation of scientific Notation

Total questions: 20

Worksheet time: 18mins

Name
Class
Date
1.
Multiply:
(3.4 x 105)(1.2 x 10-3)
a)
4.08 x 10-8
b)
4.8 x 102
c)
4.08 x 102
d)
4.08 x 10-15
2.
Divide:
(6.9 x 107) / (2.3 x 10-3)
a)
3 x 1010
b)
3 x 104
c)
3 x 10-4
d)
3 x 10-11
3.
Write the answer in scientific notation.
7.3 x 105  +   3.7 x 105  =
a)
11.0 x 105
b)
1.1 x 1010
c)
1.10 x 1011
d)
1.1 x 10 6
4.
Which is the smallest?
1.3 x 1020
2.9 x 1021
9.5 x 1032
8.4 x 1019
a)
1.3 x 1020
b)
2.9 x 1021
c)
9.5 x 1032
d)
8.4 x 1019
5.
Which is the largest?
4.8 x 10-6 
1.3 x 1020
3.1 x 10-4
9.2 x 10-5 
9.5 x 1032
5.9 x 10-5
2.9 x 1021
8.4 x 1019
a)
9.5 x 1032
b)
3.1 x 10-4
c)
8.4 x 1019
d)
4.8 x 10-6 
6.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)
5 x 10-4
c)
5 x 104
d)
.5 x 103
7.
The Statue of Liberty weighs 450,000 pounds. What is this number written in scientific notation?
a)
4.5 x 10-5
b)
45 x 10-4
c)
45 x 104
d)
4.5 x 105
8.
Find the difference
(3.8 x 104) - (2 x 103)
a)
1.8 x 104
b)
1.8 x 101
c)
3.6 x 101
d)
3.6 x 104
9.
(3.8×107)×162
a)
6.156×109
b)
6.156×108
c)
615×107
d)
615×108
10.
Multiply using scientific notation.
(2 x 10³) x (1.9 x 10²)
a)
3.8 x 105
b)
3.8 x 102
c)
3.8 x 104
d)
3.8 x 106
11.

Write 1.09 x 10-4 in standard notation.

a)

1,090

b)

10,900

c)

0.000109

d)

0.0109

12.

Write 0.54 x 105 in scientific notation.

a)

5.4 x 106

b)

5.4 x 105

c)

5.4 x 104

d)

54 x 103

13.

Multiply.

Write the answer in scientific notation.

(2 x 109)(4 x 104)

a)

8 x 105

b)

6 x 1013

c)

8 x 1013

d)

8 x 1036

14.

Divide.

Write the answer in scientific notation.

5 x 1012

------------

2 x 106

a)

2.5 x 102

b)

2.5 x 106

c)

3 x 102

d)

2.5 x 1018

15.
What is the simplified version of
a)
3.9 x 106
b)
4 x 1020
c)
4 x 106
d)
3.9 x 1020
16.
How do you write
8.317 x 106
in standard form?
a)
8, 371, 000
b)
83, 170, 000
c)
837, 100
d)
8, 317, 000
17.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
18.
Multiply:
(3.4 x 105)(1.2 x 10-3)
a)
4.08 x 10-8
b)
4.8 x 102
c)
4.08 x 102
d)
4.08 x 10-15
19.
Divide:
(6.9 x 107) / (2.3 x 10-3)
a)
3 x 1010
b)
3 x 104
c)
3 x 10-4
d)
3 x 10-11
20.
Write the answer in scientific notation.
7.3 x 105  +   3.7 x 105  =
a)
11.0 x 105
b)
1.1 x 1010
c)
1.10 x 1011
d)
1.1 x 10 6