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Popular >

simplify (3^{-2})/9

Solution

simplify

\frac{3 ^{- 2}}{9}

Solution

\frac{1}{81}

+1

Decimal Notation

0.01234 \dots

Solution steps

\frac{3 ^{- 2}}{9}

Factor the number:

9 = 3^{2}

= \frac{3 ^{- 2}}{3 ^{2}}

Apply exponent rule:

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

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

2 - (- 2) = 4

= \frac{1}{3 ^{4}}

3^{4} = 81

= \frac{1}{81}

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simplify (sqrt(30))/(sqrt(5))simplify

\frac{30}{5}

5 (2 x - 8) = 20

Frequently Asked Questions (FAQ)

What is (3^{-2})/9 ?
The solution to (3^{-2})/9 is 1/81