coolvibe12 coolvibe12
  • 07-06-2020
  • Mathematics
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Please answer correctly !!!!!!! Will mark brainliest !!!!!!!!!!!!!

Please answer correctly Will mark brainliest class=

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 07-06-2020

Answer:

4^15/ b^21

Step-by-step explanation:

( b^7 / 4^5) ^ -3

b^7 ^ -3  / 4^5^-3

We know that x^y^z = x^ (y*z)

b^ (7*-3) / 4^(5*-3)

b ^ -21 / 4 ^ -15

We know that a^ -b = 1/ a^b

We do not like to leave negative exponents

1 * b^21  * 4  ^15

4^15/ b^21

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