ebertee ebertee
  • 21-11-2020
  • Mathematics
contestada

Evaluate -(7^-3)(7^5)
A: 49,
B: -49,
C: -1/49,
D: 1/49.

Respuesta :

virtuematane virtuematane
  • 21-11-2020

Answer:

Option B -49

Step-by-step explanation:

-(7^-3)(7^5)

-1/7^3×7^5

-7^2

-49

So option B is correct

Answer Link
uchiha26dre
uchiha26dre uchiha26dre
  • 21-11-2020

Answer:

B

Step-by-step explanation:

-(7^-3) = -1/343

(7^5) = 16807

16807*-1/343 = -49

Answer Link

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