Question

1/2n equals 21 what is n

Answer 1

1/2n=21

Multiply by 2 on both sides to get a whole number co-efficient.

1/2(2)n=21(2)

n=42

So, n is equal to 42.

:)

Answer 2

n=42

Explanation:

1/2n=21

2•(1/2n=21)

n=42