Question

Slove the following expression 3^n-1 = 1/27

Answer 1

Answer:

3

−

1

=

1

2

7

Step-by-step explanation:

Answer 2

ANSWER = -2

${3}^{(n - 1)} = \frac{1}{27}$

${3}^{(n - 1)} = \frac{1}{ {3}^{3} }$

${3}^{(n - 1)} = {3}^{ - 3}$

$n - 1 = - 3$

$n = - 2$