Font size
S
M
L
XL
WorksheetsDecimal Powers of 10
Total questions: 84
Worksheet time: 3hrs 48mins
Name
Class
Date
1.
2439 x 10
a)
2439
b)
23490
c)
24390
d)
243900
2.
64 x 103
a)
640,000
b)
640
c)
64,000
d)
0.064
3.
42 x 102
a)
42,000
b)
420
c)
420,000
d)
4,200
4.
18 x 100
a)
1,800
b)
180
c)
18,000
d)
180,000
5.
What is 4 X 102?
a)
4
b)
40
c)
400
d)
100
6.
What is 5 x 104
a)
50
b)
500
c)
5000
d)
50000
7.
Multiply 62.397 by 10
a)
6239.7
b)
623.97
c)
62.40
d)
62397.0
8.
0.0867 x 100
a)
86.7
b)
8.67
c)
0.867
9.
4.23 x 10
a)
42.3
b)
423
c)
4.23
10.
0.62 x 100
a)
6.2
b)
62
c)
.062
11.
5.1 x 100
a)
510
b)
51
c)
0.51
12.
6.02 x 100
a)
600
b)
602
c)
60.2
13.
54.62 x 10
a)
546.2
b)
54.6
c)
54.2
14.
53.7 x 10
a)
53.7
b)
537
c)
5,370
d)
53,700
15.
Raul can hit a golf ball 26.4 yards. A.J. can hit a golf ball 10 times as far. How far can A.J. hit the ball?
a)
26.4 yards
b)
264 yards
c)
2.64 yards
d)
2,640 yards
16.
0.003 x 1,000
a)
0.03
b)
0.3
c)
3
d)
30
17.
7.03 x 10
a)
7.03
b)
70.3
c)
703
d)
7,030
18.
Kendra bought 10 gallons of gasoline at $3.26 per gallon. How much did she pay for the gasoline?
a)
$3.26
b)
$32.60
c)
$326.00
d)
$3,260.00
19.
0.372 x 104
a)
3,720
b)
372
c)
37.2
d)
37,200
20.
8.3 x 103
a)
83
b)
8,300
c)
0.0083
d)
830
21.
214.5 x 0.001
a)
2,145
b)
2.145
c)
0.2145
d)
0.02145
22.
0.068 x 10
a)
6.8
b)
0.68
c)
68
d)
680
23.
450 x 100
a)
450
b)
4,500
c)
45
d)
0.450
24.
42.8 x 102
a)
42.80
b)
428
c)
4,280
d)
0.428
25.
23.1 x 10
a)
0.231
b)
2.31
c)
231
d)
2,310
26.
43.2 x 103
a)
4.320
b)
432
c)
4,320
d)
43,200
27.
87.01 x 103
a)
8.701
b)
870.1
c)
8,701
d)
87,010
28.
0.291 x 100
a)
0.0291
b)
2.91
c)
29.1
d)
291
29.
324 x 0.1
a)
0.324
b)
3.24
c)
32.4
d)
324
30.
67.8 x 0.1
a)
0.678
b)
6.78
c)
67.8
d)
678
31.
0.091 x 1,000
a)
0.0091
b)
0.91
c)
9.1
d)
91
32.
5.032 x 100
a)
0.5032
b)
5.032
c)
50.32
d)
503.2
33.
Which of the following expressions is equivalent to 86,000
a)
86 x 103
b)
8.6 x 102
c)
860 x 10
d)
8,600 x 102
34.
59 x 1,000
a)
59,000
b)
5,900
c)
590,000
d)
590
35.
380 x 10
a)
38,000
b)
380
c)
3,800
d)
38
36.
42 x 102
a)
42,000
b)
420
c)
420,000
d)
4,200
37.
27 x 103
a)
27,000
b)
270
c)
2,700
d)
270,000
38.
106 =
a)
10 x 10 x 10
b)
10 x 10 x 10 x 10
c)
10 x 10 x 10 x 10 x 10 x 10
d)
10 x 10 x 10 x 10 x 10 x 10 x 10
39.
Moving the decimal to the right means the number will get __________.
a)
larger
b)
smaller
c)
stay the same
40.
When you divide a number by a power of ten, the number will get _________.
a)
smaller
b)
bigger
c)
stay the same
41.
2.34 ÷ 101
a)
0.234
b)
2.34
c)
23.4
d)
0.0234
42.
753 ÷ 100
a)
0.753
b)
753
c)
75.3
d)
7.53
43.
72.5 ÷ 103
a)
7.25
b)
0.725
c)
0.0725
d)
725
44.
1 Meter = ______cm
a)
100
b)
10
c)
1
d)
1000
45.
100 cm = ______m
a)
1
b)
10
c)
100
d)
1000
46.
Convert 23 cm to m
a)
2.3
b)
0.23
c)
2,300
d)
230
47.
The prefix "centi" means:
a)
100
b)
1/100
c)
one thousand
d)
1/1000
48.
If you are converting from cm to m, how many places and in what direction do you have to move the decimal?
a)
3 right
b)
3 left
c)
2 right
d)
2 left
49.
Convert 20 meters to centimeters
a)
200
b)
0.20
c)
0.02
d)
2,000
50.
Convert 2,000 millimeters to meters
a)
20
b)
2
c)
0.02
d)
0.0002
51.
45.89 x 102
a)
45.890
b)
4,589
c)
0.4589
d)
458.9
52.
17.8 x 0.01
a)
0.178
b)
0.0178
c)
178
d)
1.78
53.
5.02 x 0.1
a)
5.02
b)
50.2
c)
0.0502
d)
0.502
54.
0.0891 x 104
a)
8.91
b)
8,910
c)
891
d)
89.1
55.
0.372 x 104
a)
3,720
b)
372
c)
37.2
d)
37,200
56.
8.3 x 103
a)
83
b)
8,300
c)
0.0083
d)
830
57.
214.5 x 0.001
a)
2,145
b)
2.145
c)
0.2145
d)
0.02145
58.
0.068 x 10
a)
6.8
b)
0.68
c)
68
d)
680
59.
450 x 100
a)
450
b)
4,500
c)
45
d)
0.450
60.
42.8 x 102
a)
42.80
b)
428
c)
4,280
d)
0.428
61.
23.1 x 10
a)
0.231
b)
2.31
c)
231
d)
2,310
62.
43.2 x 103
a)
4.320
b)
432
c)
4,320
d)
43,200
63.
87.01 x 103
a)
8.701
b)
870.1
c)
8,701
d)
87,010
64.
0.291 x 100
a)
0.0291
b)
2.91
c)
29.1
d)
291
65.
324 x 0.1
a)
0.324
b)
3.24
c)
32.4
d)
324
66.
67.8 x 0.1
a)
0.678
b)
6.78
c)
67.8
d)
678
67.
0.091 x 1,000
a)
0.0091
b)
0.91
c)
9.1
d)
91
68.
5.032 x 100
a)
0.5032
b)
5.032
c)
50.32
d)
503.2
69.
46.5 ÷ 1000
a)
46,500
b)
0.0465
c)
0.465
d)
4.65
70.
32.40÷1000
a)
3.240
b)
0.324
c)
0.0324
d)
32,400
71.
0.5÷10=
a)
0.05
b)
0.5
c)
5
d)
0.005
72.
104
a)
1,000
b)
10,000
c)
10
d)
100
73.
102
a)
10
b)
100
c)
1,000
d)
100,000
74.
103
a)
10
b)
100
c)
1,000
d)
10,000
75.
When dividing decimals by powers of 10, you move the decimals to the...
a)
right
b)
left
76.
46.5 ÷ 1000
a)
46,500
b)
0.0465
c)
0.465
d)
4.65
77.
12.33÷10
a)
1,233
b)
0.1233
c)
123.3
d)
1.233
78.
32.40÷1000
a)
3.240
b)
0.324
c)
0.0324
d)
32,400
79.
0.5÷10=
a)
0.05
b)
0.5
c)
5
d)
0.005
80.
2.34 ÷ 101
a)
0.234
b)
2.34
c)
23.4
d)
0.0234
81.
9.4 ÷ 100
a)
9.4
b)
0.0094
c)
0.94
d)
0.094
82.
Solve.
331.2 ÷ 103
331.2 ÷ 103
a)
33.12
b)
0.3312
c)
3.312
d)
0.03312
83.
What is 19.7 ÷ 104?
a)
1.97
b)
0.197
c)
197
d)
0.00197
84.
12.33÷10
a)
1,233
b)
0.1233
c)
123.3
d)
1.233
Reset
