Question

Rewrite 99 + (88 + 77) using the Associative Law of Addition.99 + (77 +88)(88 + 77) + 99(99 + 88) + 77(99 + 77) + 88

Answer 1

Given the expression;

$99+(88+77)$

Using the associative law of addition described as;

$a+(b+c)=(a+b)+c$

Thus, the expression given is;

$99+(88+77)=(99+88)+77$