Question

please answer quickly​

Answer 1

Answer:

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

k+1+3=7

k+4=7

k=7-4

k=3

Answer 2

Step-by-step explanation:

(-2)k+1 × (-2)3 = (-2)7.

-2k + -6 = -14.

- 2k = -14 + 6. 2k = - 8. k

= -8 / -2.

k = 4.

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