Algebra Examples

$\frac{z^{7}}{z^{- 14}}$

Step 1

Move $z^{- 14}$ to the numerator using the negative exponent rule $\frac{1}{b^{- n}} = b^{n}$ .

$z^{7} z^{14}$

Step 2

Multiply $z^{7}$ by $z^{14}$ by adding the exponents.

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Step 2.1

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$z^{7 + 14}$

Step 2.2

Add $7$ and $14$ .

$z^{21}$