Pre-Algebra Examples

2 y^{- 1}

$2 y^{- 1}$

Step 1

Rewrite the expression using the negative exponent rule

b^{- n} = \frac{1}{b^{n}}

$b^{- n} = \frac{1}{b^{n}}$ .

2 \frac{1}{y}

$2 \frac{1}{y}$

Step 2

Combine

2

$2$ and

\frac{1}{y}

$\frac{1}{y}$ .

\frac{2}{y}

$\frac{2}{y}$

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[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$