mikenemilyr1 mikenemilyr1

10-10-2018
Mathematics

contestada

Brad knows the answer to 5 multiplied by 7 how does this help him solve the answer to 8 multiplied by 7?

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altavistard altavistard

10-10-2018

Answer:

Breaking up the multiplicand 8 into (5+3) allows us to apply the associative property of multiplication. See below.

Step-by-step explanation:

5*7 = 35. We want the product 8*7. Note that 8 = 5+3. Thus, 8*7=(5+3)(7) = 35 + 21, or 56.

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