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No. 9

Answer: 10-3

Solution:

Decimal point is moved 3

places to the right; the

exponent is a negative 3.

.001 = 1 X 10-3= 10-3

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No. 10

Study this problem on equivalent power of 10, then continue.

100,000,000 = ______

Rule:

to express a whole number as

a smaller number times a

power of 10, move the decimal

point to the LEFT, count the

number of places to the

original point, and use this

count as a POSITIVE exponent

(or power) of 10.

Solution:

Move the decimal point 8

places to the LEFT; the

exponent is a POSITIVE 8.

Thus:

100,000,000 = 1 X 108 = 108

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NO. 11

Fill in the blank with the equivalent power of 10.

1,000 = ______