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Worksheetsgrade 8 the best
Total questions: 17
Worksheet time: 28mins
Name
Class
Date
1.
153.76
a)
±11.3
b)
±12.4
c)
±19.3
d)
±31.7
2.
a)
107
b)
0.49
c)
2.04
d)
17
3.
a)
−96
b)
96
c)
0.66
d)
-1.5
4.
2.89
a)
17
b)
1.7
c)
170
d)
0.17
5.
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
6.
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
7.
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
8.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
9.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)
5 x 10-4
c)
5 x 103
d)
.5 x 103
10.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
11.
Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.
a)
True
b)
False
12.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
13.
Solve.
(−5)2=
14.
9=
a)
3
b)
-3
c)
± 3
d)
81
15.
√256
a)
14
b)
16
c)
13
d)
17
16.
Write √64 as an exponential expression.
a)
72
b)
92
c)
82
d)
62
17.
True or False. 21 is a perfect square.
a)
True
b)
False
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