Question

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

Answer 1

Answer:

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

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

(-2)^k+1 × (-2)^3 = (-2)^7

or, (-2)^k+1 = (-2)^7/(-2)^3

or, (-2)^k+1 = (-2)^4

or, (-2)^k+1 = (-2)^4( Bases are same )

or, k+1 = 4

or, k = 4-1

or, k = 3