Respuesta :

altavistard

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.