Algebra Examples

$i^{- 4}$

Step 1

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$\frac{1}{i^{4}}$

Step 2

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

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Step 2.1

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

$\frac{1}{{(i^{2})}^{2}}$

Step 2.2

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

$\frac{1}{{(- 1)}^{2}}$

Step 2.3

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

$\frac{1}{1}$

Step 3

Divide $1$ by $1$ .

$1$