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Grade 7 U2/S3 (Scientific Notation)

Total questions: 15

Worksheet time: 3hrs 30mins

Name
Class
Date
1.
Change from standard form to scientific notation:  450,000
a)
4.5  x  105
b)
45  x  105
c)
4.5  x  104
d)
4.5  x  106
2.
Change from standard form to scientific notation:  0.000398
a)
39.8  x  10-5
b)
3.98  x  10-5
c)
3.98  x  10-4
d)
39.8  x  10-6
3.
Change from standard form to scientific notation: 0.004078
a)
4.078  x  10-3
b)
4.078  x  103
c)
40.78  x  10-4
d)
.4078  x  10-2
4.

Consider Scientific Notation.

Which is the correct coefficient "c" of 147,000 when it is written in scientific notation

a)

147

b)

14.7

c)

1.47

d)

0.147

5.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)

5 x 10-4

c)

5 x 10-3

d)
.5 x 103
6.

How would you write 5.6 x 10-3 in standard form?

a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
7.
Which of the following in the LARGEST number?
a)
9 x 106
b)
8 x 1010
c)
1.3 x 1012
d)
5.3 x 103
8.
Which one of these is in scientific notation?
a)

-8.987000

b)
8.98 x 106
c)
80.987 x 10
d)
8.986
9.
Write 0.000972 in scientific notation.
a)
9.72 x 10-4
b)
9.72 x 10-3
c)
972 x 10-4
d)
9.72 x 104
10.
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
11.
Try to change the number back to standard form:  6.79  x  104
a)
679,000
b)
6,790
c)
67,900
d)
6,790,000
12.
Try to change the number back to standard form: 3.97  x  10-2
a)
0.000397
b)
0.0397
c)
0.0000397
d)
0.397
13.
Write 2.08 x 102  in standard form.
a)
208
b)
0.0208
c)
20,800
d)
0.208
14.

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
15.
Write 2.08 x 102  in standard form.
a)
208
b)
0.0208
c)
20,800
d)
0.208