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Popular >

simplify (-9)^{-2}

Solution

simplify

(- 9)^{- 2}

Solution

\frac{1}{81}

+1

Decimal Notation

0.01234 \dots

Solution steps

(- 9)^{- 2}

Apply exponent rule:

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

(- 9)^{- 2} = \frac{1}{( - 9 ) ^{2}}

= \frac{1}{( - 9 ) ^{2}}

(- 9)^{2} = 81

= \frac{1}{81}

Popular Examples

3t^2+16t+19=-2t

3 t^{2} + 16 t + 19 = - 2 t

4 m^{2} + 8 m - 4 = 1

factor 38a^4b^3c^2+12a^9b^8-34a^5bc^6 factor

38 a^{4} b^{3} c^{2} + 12 a^{9} b^{8} - 34 a^{5} b c^{6}

simplify 9(2/3)^1 simplify

9 (\frac{2}{3})^{1}

\frac{3}{4} (x + 8) = 9

Frequently Asked Questions (FAQ)

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