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16 May, 05:00

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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  1. 16 May, 06:51
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    C because mulitiplying 9 would be a bigger number and 2 would be smaller
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