Evaluate i^8i^31i^28

$i^{8} \cdot i^{31} \cdot i^{28}$

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

${(i^{4})}^{2} \cdot i^{31} \cdot i^{28}$

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

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

${({(i^{2})}^{2})}^{2} \cdot i^{31} \cdot i^{28}$

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

${({(- 1)}^{2})}^{2} \cdot i^{31} \cdot i^{28}$

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

$1^{2} \cdot i^{31} \cdot i^{28}$

One to any power is one.

$1 \cdot i^{31} \cdot i^{28}$

Multiply $i^{31}$ by $1$ .

$i^{31} \cdot i^{28}$

Rewrite $i^{31}$ as ${(i^{4})}^{7} (i^{2} \cdot i)$ .

Factor out $i^{28}$ .

$i^{28} i^{3} \cdot i^{28}$

Rewrite $i^{28}$ as ${(i^{4})}^{7}$ .

${(i^{4})}^{7} i^{3} \cdot i^{28}$

Factor out $i^{2}$ .

${(i^{4})}^{7} (i^{2} \cdot i) \cdot i^{28}$

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

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

${({(i^{2})}^{2})}^{7} (i^{2} \cdot i) \cdot i^{28}$

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

${({(- 1)}^{2})}^{7} (i^{2} \cdot i) \cdot i^{28}$

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

$1^{7} (i^{2} \cdot i) \cdot i^{28}$

One to any power is one.

$1 (i^{2} \cdot i) \cdot i^{28}$

Multiply $i^{2} \cdot i$ by $1$ .

$i^{2} \cdot i \cdot i^{28}$

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

$- 1 \cdot i \cdot i^{28}$

Rewrite $- 1 i$ as $- i$ .

$- i \cdot i^{28}$

Rewrite $i^{28}$ as ${(i^{4})}^{7}$ .

$- i \cdot {(i^{4})}^{7}$

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

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

$- i \cdot {({(i^{2})}^{2})}^{7}$

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

$- i \cdot {({(- 1)}^{2})}^{7}$

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

$- i \cdot 1^{7}$

One to any power is one.

$- i \cdot 1$

Multiply $- 1$ by $1$ .

$- i$

Evaluate i^8*i^31*i^28

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Evaluate i^8i^31i^28