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Mathematics 17 Online
OpenStudy (rjtrain1):

Estimate the difference using front-end estimation. 987.12 - 342.5 700 600 500 400

OpenStudy (triciaal):

front-end estimation. estimate first then do the operation here do to the nearest hundred first then the subtraction

OpenStudy (jackthegreatest):

987 --> 1000 342--> 300 1000-300 = ?

OpenStudy (rjtrain1):

700

OpenStudy (jackthegreatest):

yes

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