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Popular >

simplify 7y^{-3}

Solution

simplify

7 y^{- 3}

Solution

\frac{7}{y ^{3}}

Solution steps

7 y^{- 3}

Apply exponent rule:

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

y^{- 3} = \frac{1}{y ^{3}}

= 7 \cdot \frac{1}{y ^{3}}

Apply the fraction rule:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= \frac{7 \cdot 1}{y ^{3}}

Multiply the numbers:

7 \cdot 1 = 7

= \frac{7}{y ^{3}}

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Frequently Asked Questions (FAQ)

What is 7y^{-3} ?
The solution to 7y^{-3} is 7/(y^3)