Finite Math Examples

${(- \frac{8}{125})}^{\frac{1}{3}}$

Step 1

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 1.1

Apply the product rule to $- \frac{8}{125}$ .

${(- 1)}^{\frac{1}{3}} {(\frac{8}{125})}^{\frac{1}{3}}$

Step 1.2

Apply the product rule to $\frac{8}{125}$ .

${(- 1)}^{\frac{1}{3}} \frac{8^{\frac{1}{3}}}{125^{\frac{1}{3}}}$

Step 2

Simplify the expression.

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Step 2.1

Rewrite $- 1$ as ${(- 1)}^{3}$ .

${({(- 1)}^{3})}^{\frac{1}{3}} \frac{8^{\frac{1}{3}}}{125^{\frac{1}{3}}}$

Step 2.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

${(- 1)}^{3 (\frac{1}{3})} \frac{8^{\frac{1}{3}}}{125^{\frac{1}{3}}}$

Step 3

Cancel the common factor of $3$ .

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Step 3.1

Cancel the common factor.

${(- 1)}^{3 (\frac{1}{3})} \frac{8^{\frac{1}{3}}}{125^{\frac{1}{3}}}$

Step 3.2

Rewrite the expression.

${(- 1)}^{1} \frac{8^{\frac{1}{3}}}{125^{\frac{1}{3}}}$

Step 4

Evaluate the exponent.

$- \frac{8^{\frac{1}{3}}}{125^{\frac{1}{3}}}$

Step 5

Simplify the numerator.

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Step 5.1

Rewrite $8$ as $2^{3}$ .

$- \frac{{(2^{3})}^{\frac{1}{3}}}{125^{\frac{1}{3}}}$

Step 5.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$- \frac{2^{3 (\frac{1}{3})}}{125^{\frac{1}{3}}}$

Step 5.3

Cancel the common factor of $3$ .

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Step 5.3.1

Cancel the common factor.

$- \frac{2^{3 (\frac{1}{3})}}{125^{\frac{1}{3}}}$

Step 5.3.2

Rewrite the expression.

$- \frac{2^{1}}{125^{\frac{1}{3}}}$

Step 5.4

Evaluate the exponent.

$- \frac{2}{125^{\frac{1}{3}}}$

Step 6

Simplify the denominator.

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Step 6.1

Rewrite $125$ as $5^{3}$ .

$- \frac{2}{{(5^{3})}^{\frac{1}{3}}}$

Step 6.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$- \frac{2}{5^{3 (\frac{1}{3})}}$

Step 6.3

Cancel the common factor of $3$ .

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Step 6.3.1

Cancel the common factor.

$- \frac{2}{5^{3 (\frac{1}{3})}}$

Step 6.3.2

Rewrite the expression.

$- \frac{2}{5^{1}}$

Step 6.4

Evaluate the exponent.

$- \frac{2}{5}$

Step 7

The result can be shown in multiple forms.

Exact Form:

$- \frac{2}{5}$

Decimal Form:

$- 0.4$