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NO. 40

Solution:

Changing from 10-2 to 100 means the exponent

2.2 X 10-2 = .022 X 100

changes by 2 in a POSITIVE direction; so the

decimal

point moves 2 places to the LEFT.

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NO. 41

Study the problem below, then continue.

3.33 X 10-4 = ____________________________ X 10-6

Solution:

Changing from 10-4 to 10-6 means the exponent changes by 2 in a NEGATIVE

direction; so the decimal point in 3.33 moves 2 places to the RIGHT.

Thus:

3.33 X 10-4 = 333 X 10-6

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NO. 42

Fill in the blank with the proper value.

5.83 X 102 = _____ X 10-1