Compute 127.670 minus 39.68.

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Multiple Choice

Compute 127.670 minus 39.68.

Explanation:
Subtracting decimals correctly means lining up the decimal points and filling in zeros as needed. Here, rewrite 39.68 as 39.680 so both numbers have three digits after the decimal. Then do the subtraction: 127.670 -39.680 =87.990 The trailing zero after the last decimal place can be dropped, giving 87.99. So the result is 87.99.

Subtracting decimals correctly means lining up the decimal points and filling in zeros as needed. Here, rewrite 39.68 as 39.680 so both numbers have three digits after the decimal. Then do the subtraction:

127.670

-39.680

=87.990

The trailing zero after the last decimal place can be dropped, giving 87.99. So the result is 87.99.

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