Question

what does it mean to raise a number to the power of 0? you can look at patterns with exponents to find out.
how do the exponents change from one row of the table to the next?
to get to the next row of the table,
decrease the exponent by □.
$3^n$ value
$3^4$ 81
$3^3$ 27
$3^2$ 9
$3^1$ 3
$3^0$ ?

Explanation:

Step1: Observe exponent sequence

Look at exponents: $4, 3, 2, 1, 0$

Step2: Calculate exponent difference

$4-3=1$, $3-2=1$, $2-1=1$, $1-0=1$

Answer:

1