Question

Pls help me with finding the answer to b)
With the necessary steps.

Answer 1

2401/7 = 343/7=49/7 = 7

So in order to get 2401 as the answer, the power of 7 should be 4

7x7x7x7 = 2401  ⇒ n = 4

n-1 = 4-1 = 3

7³ = 343