Seudónimo Seudónimo
  • 22-08-2017
  • Mathematics
contestada


Which expression is equivalent to (73)−2?

A. 1/7•7•7•7•7•7
B. 7
C. 1/7
D. -1/7•7•7•7•7•7

Respuesta :

Аноним Аноним
  • 25-08-2017
Answer:
A. 1/7•7•7•7•7•7
Answer Link
Аноним Аноним
  • 29-08-2017
Hello, I think it was (7^3)^-2.

So, what do you have to do is multiply the exponents.

7^3*(-2) = 7^-6

Now, the rule says a^-x = 1/a^x

So 1/7^6

This means the answer is A.

1/(7×7×7×7×7×7)
Answer Link

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