Which expression shows you how you can use mental math to simplify the expression 9x15x2 most easily? A. (15x9)x2 B. (9x15)x2 C. 2x(9x15) D. 9x(15x2)

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asked Dec 3, 2018 80.4k views

2 votes

Which expression shows you how you can use mental math to simplify the expression 9x15x2 most easily?

A. (15x9)x2
B. (9x15)x2
C. 2x(9x15)
D. 9x(15x2)

Mathematics
college

Kuncajs asked

by Kuncajs

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c because mulitiplying 9 would be a bigger number and 2 would be smaller

Spierala answered Dec 8, 2018

by Spierala

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