Question

Find value of m for which (-3)*
for which (-3ght X (-3) =(-35

Answer 1

9514 1404 393

Answer:

m = -3

Explanation:

The applicable rule of exponents is ...

(a^b)(a^c) + a^(b+c)

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`(-3)^(m+2)*(-3)^5=(-3)^4\\\\(-3)^(m+2+5)=(-3)^4\\\\m+7=4 \qquad\text{equate exponents}\\\\\boxed{m=-3} \qquad\text{subtract 7}`