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yKpoI14uk [10]
3 years ago
14

Which expression is equivalent to(r^-7)^6?

Mathematics
2 answers:
Varvara68 [4.7K]3 years ago
6 0

Answer:

\frac{1}{r^{42}} is equivalent to (r^{-7})^6

Step-by-step explanation:

Using the exponent rule:

(a^n)^m = a^{nm}

a^{-n} = \frac{1}{a^n}

Given the radical expression:

(r^{-7})^6

Apply the rule we have;

r^{-7 \cdot 6}

Simplify:

r^{-42}

Again, apply the rule:

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

Therefore, the expression is equivalent to (r^{-7})^6

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

shtirl [24]3 years ago
4 0
(r^-7)^6 = r^-42 . . . . exponents are multiplied
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