Simplify i^9*5

$i^{9} \cdot 5$

Rewrite $i^{9}$ as ${(i^{4})}^{2} i$ .

Factor out $i^{8}$ .

$i^{8} i \cdot 5$

Rewrite $i^{8}$ as ${(i^{4})}^{2}$ .

${(i^{4})}^{2} i \cdot 5$

${(i^{4})}^{2} i \cdot 5$

Rewrite $i^{4}$ as $1$ .

Rewrite $i^{4}$ as ${(i^{2})}^{2}$ .

${({(i^{2})}^{2})}^{2} i \cdot 5$

Rewrite $i^{2}$ as $- 1$ .

${({(- 1)}^{2})}^{2} i \cdot 5$

Raise $- 1$ to the power of $2$ .

$1^{2} i \cdot 5$

$1^{2} i \cdot 5$

One to any power is one.

$1 i \cdot 5$

Multiply $i$ by $1$ .

$i \cdot 5$

Move $5$ to the left of $i$ .

$5 i$

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