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Y5XYZ Testing our powers of ten skills

Total questions: 12

Worksheet time: 42mins

Name
Class
Date
1.
Solve to determine the value of the following expression: 9.235 x 104 
a)
92.35
b)
92350.0
c)
0.0009235
d)
0.09235
2.
5.13 x 101
a)
5.130
b)
51.3
c)
5130
d)
513
3.
3.21÷102
a)
321
b)
32.1
c)
0.0321
d)
0.321
4.

102 x 4.78 =

a)

4.78

b)

47.8

c)

478

d)

4,780

5.

80.72 x 103 =

a)

80720

b)

8072

c)

807200

d)

807.20

6.
What is the meaning of 103?
a)
10 x 3
b)
10 + 10 + 10
c)
10 + 3
d)
10 x 10 x10
7.
What is the exponential form of 10,000?
a)
10 x 10 x 10 x 10
b)
10 + 10 + 10 + 10
c)
104
d)
103
8.
Express the following numbers as powers of ten:
100,000
a)
104
b)
105
c)
106
d)
107
9.
___ ÷ 10= 2
a)
20
b)
0.2
c)
200
d)
0.02
10.

10410^4  
The exponent of this number is...

a)

10

b)

4

c)

40

d)

10,000

11.

10210^2  
The base is....

a)

10

b)

2

c)

20

d)

100

12.

23.1÷0.7=

a)

3.3

b)

33

c)

4.7

d)

47