Entering Decimals Worksheet - Grade 7 Page 12
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41NOTES
Multiplying Decimal Numbers
When multiplying decimal numbers, set up the problem like regular
multiplication. When you get your answer, add up the total number of digits
to the right of the decimals in both the numbers you are multiplying and
place the decimal in your answer that many places from the right end.
three digits
.00
8
×
.02
.008
.00016 is the answer
.02
.00016
two digits
five digits
20
×
20
.8
16.0 is the answer
.8
16.0
When multiplying three numbers together, multiply any two to get an answer;
then multiply that answer by the third number.
two digits
1.02
×
.3
one digit
.306
three digits
.306
.3
1.02
46
×
46
1836
1224
14.076
14.076 is the answer
12
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