Question

HELPPPPPPP PLEASE right answers

Answer 1

Answer:

$\frac{1}{r^{42} }$

Step-by-step explanation:

Using the rules of exponents

$(a^{m}) ^{n}$ ⇔ $a^{mn}$

$a^{-m}$ ⇔ $\frac{1}{a^{m} }$

Given

$(r^{-7}) ^{6}$

= $r^{-7(6)}$

= $r^{-42}$

= $\frac{1}{r^{42} }$