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Mathematics 21 Online
OpenStudy (anonymous):

Estimate 79.5-9.45 . Explain your method.

OpenStudy (anonymous):

since the decimal parts are same i.e. 0.5 (0.45 rounds off to 0.5), we can ignore it from both the numbers and carry out the division 79-9 = 70

OpenStudy (anonymous):

Gaood ANswer

OpenStudy (anonymous):

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