Question

(-2)k+1X (-2)3 = (-2)7

Answer 1

(-2)k+1×(-2)3=(-2)7

(-2)k+1×(-6)=-14

(-2)k-6=-14

(-2)k=-14+6

(-2)k=-8

k=-8/-2

k=4

hence solved ithink its help u..

Answer 2

Step-by-step explanation:

I hope it helps you......