Math, asked by prernakanwar, 5 months ago

Find the value of k if (-2)
k+1×(-2)³
=(-2)⁷

Answers

Answered by himanshujc7

9

Step-by-step explanation:

(-2)k+1×(-2)³=(-2)⁷

-2k + (-8) = −128

-(2k + 8) = -(128)

2k+8 = 128

2k = 128-8

2k = 120

k = 120/2

k= 60

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