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Popular >

simplify (-8/27)^{2/3}

Solution

simplify

(- \frac{8}{27})^{\frac{2}{3}}

Solution

\frac{4}{9}

+1

Decimal Notation

0.44444 \dots

Solution steps

(- \frac{8}{27})^{\frac{2}{3}}

Apply exponent rule:

(- a)^{\frac{m}{n}} = (- 1)^{\frac{m}{n}} (a)^{\frac{m}{n}}

(- \frac{8}{27})^{\frac{2}{3}} = (- 1)^{\frac{2}{3}} (\frac{8}{27})^{\frac{2}{3}}

= (- 1)^{\frac{2}{3}} (\frac{8}{27})^{\frac{2}{3}}

(- 1)^{\frac{2}{3}} = 1

= 1 \cdot (\frac{8}{27})^{\frac{2}{3}}

Apply exponent rule:

(\frac{a}{b})^{c} = \frac{a ^{c}}{b ^{c}}

(\frac{8}{27})^{\frac{2}{3}} = \frac{8 ^{\frac{2}{3}}}{2 7 ^{\frac{2}{3}}}

= 1 \cdot \frac{8 ^{\frac{2}{3}}}{2 7 ^{\frac{2}{3}}}

2 7^{\frac{2}{3}} = 9

= 1 \cdot \frac{8 ^{\frac{2}{3}}}{9}

8^{\frac{2}{3}} = 4

= 1 \cdot \frac{4}{9}

Multiply:

1 \cdot \frac{4}{9} = \frac{4}{9}

= \frac{4}{9}

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Frequently Asked Questions (FAQ)

What is (-8/27)^{2/3} ?
The solution to (-8/27)^{2/3} is 4/9