miamidion miamidion

11-05-2019
Mathematics

contestada

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

A. r^42

B. 1/r^42

C. -7r^6

D. 1/r

Respuesta :

traveller135 traveller135

11-05-2019

(r^-7)^6 = r^-1 = 1/r

Therefore the answer is D. 1/r

Let me know if you have any questions.

Answer Link

salsamama salsamama

11-05-2019

Answer:

B. 1/r^42

Step-by-step explanation:

(r^-7)^6= r^-7*6= r^-42.

As a positive exponent: 1/r^42

Answer Link

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