Question

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Answer 1

Comparing LHS and RHS

Using Powers=

(k + 1)+3 = 7. (add the powers with same base)

K + 4 = 7

K = 7 - 4

K = 3

The value of K will be 3

Answer 2

Answer:

k=3

Step-by-step explanation:

a^m × a^n = a^m+n

so(-2)^k +1+3=(-2)^7

(-2)^k+4=(-2)^7

k+4=7

k=3

I hope it helpful to you mark me as brainliest