Answer
$9_{\text{ten}}=13_{\text{six}}$
Work Step by Step
Note that:
$(1 \times 6)+ (3 \times 1) = (1 \times 6^1) + (3 \times 1)$
For base 6, recall that:
$(1 \times 6^1 + (3 \times 1)=13_{\text{six}}$
Thus,
$9_{\text{ten}}=13_{\text{six}}$