3 years ago

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

Mathematics

2 answers:

sasho [114]3 years ago

8 0

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

luda_lava [24]3 years ago

5 0

Answer:

Step-by-step explanation:

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

(7^5) = 16807

16807*-1/343 = -49

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