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NO. 74

Solution (6 X 103)2 = 62 X 103X2 = 36 X 106 or 3.6 X 107

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NO. 75

Study the problem below, then continue.

.159 =

.00003

Solution:

Convert to easily divisible numbers times powers of 10; then divide.

Thus:

.159 = 159X 10-3 = 159 X 10-3 X 105 = 53 X 102

.00003

3X 10-5

3

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NO. 76

Solve using powers of 10.

1

=

.000005

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