wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

OPERATIONS WITH SCIENTIFIC NOTATION

Total questions: 21

Worksheet time: 5hrs 15mins

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.
Solve:
(2.1×102​​× (3.0×104)
a)
5.1 x 102
b)
6.3 x 106
c)
5.1 x 106
d)
6.3 x 108
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.
Write the answer in scientific notation.
5 x 108 -   3.4 x 108  =
a)
2.4 x 108
b)
2.4 x 100
c)
1.6 x 100
d)
1.6 x 108
5.
Write the answer in scientific notation.
4.1 x 105 +   5.5 x 106  =

a)
5.91 x 106
b)
9.6 x 105
c)
9.6 x 1011
d)
4.65 x 105
6.
(2.3 x 102)+(4.1 x 102)=
a)
6.4 x 104
b)
6.4 x 102
c)
6.4 x 100
d)
.64 x 101
7.
(7.7 x 102) + (1.1 x 102)=
a)
8.8 x 104
b)
6.6 x 104
c)
8.8 x 102
d)
6.6 x 102
8.
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
9.
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 
10.
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
11.
Multiply:
(9.4 x 106)(3.2 x 105)
a)
30.08 x 1011
b)
3.8 x 101
c)
3.008 x 1012
d)
2.9375 x 101
12.
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
13.
When writing a number in scientific notation, the first number must be greater than 1, but less than 10.
a)
False
b)
True
14.
Scientific Notation is made up of two number parts. The second part is a power of base 10.
a)
True
b)
False
15.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
16.

Fill in the blank with < , >, or =

678,000 _______ 6.78 x 106

a)

<

b)

>

c)

=

17.

The mass of a substance is 8 X 109 micrograms. If one microgram is equal to 1 X 10-6 grams, what is its mass in grams?

a)

1.25 X 10-15 grams

b)

1.25 X 10-3 grams

c)

8 X 103 grams

d)

8 X 1015 grams

18.

A rectangular section of land made up of wheat farms has a length of 5 X 104 meters and a width of 6 X 103 meters What is the area of the land in square meters?

a)

3 X 106 m2

b)

3 X 107 m2

c)

3 X 108 m2

d)

3 X 1012 m2

19.

Neptune is approximately 5 X 104 kilometers in diameter. Mars is approximately 7 X 103 kilometers in diameter. What is an accurate comparison of the diameters of these two planets?

a)

The diameter of Neptune is more than 7 times greater than that of Mars.

b)

The diameter of Mars is more than 7 times greater than that of Neptune.

c)

The diameter of Neptune is about 1.4 times greater than the diameter of Mars.

d)

The diameter of Mars is about 1.4 times greater than the diameter of Neptune.

20.

A box contains 5 X 103 paper clips. The mass of each paper clip is 8 X 10-4 kilograms. What is the combined mass of the paper clips in the box?

a)

4 kilograms

b)

40 kilograms

c)

4 X 107 kilograms

d)

4 X 10-7 kilograms

21.
125,678,000: Change to scientific notation
a)
1.25678  x  1012
b)
.125678  x  10-9
c)
12.5678  x  108
d)
1.25678  x  108