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Popular >

simplify 2^{-2-1}

Solution

simplify

2^{- 2 - 1}

Solution

\frac{1}{8}

+1

Decimal Notation

0.125

Solution steps

2^{- 2 - 1}

Subtract the numbers:

- 2 - 1 = - 3

= 2^{- 3}

Apply exponent rule:

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

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

= \frac{1}{2 ^{3}}

2^{3} = 8

= \frac{1}{8}

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Frequently Asked Questions (FAQ)

What is 2^{-2-1} ?
The solution to 2^{-2-1} is 1/8