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Popular >

simplify (2^{-2})/(2^{-1)}

Solution

simplify

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

Solution

\frac{1}{2}

+1

Decimal Notation

0.5

Solution steps

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

Apply exponent rule:

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

= 2^{- 2 - (- 1)}

Apply rule

- (- a) = a

= 2^{- 2 + 1}

Add/Subtract the numbers:

- 2 + 1 = - 1

= 2^{- 1}

Apply exponent rule:

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

= \frac{1}{2}

Popular Examples

∣ x - 3 ∣ \geq 12

∣ x - 4 ∣ = x^{2} - 6 x + 9

factor 5x^2-23x-10 factor

5 x^{2} - 23 x - 10

factor 3x^2-6x+1 factor

3 x^{2} - 6 x + 1

simplify 3/12*2/11 simplify

\frac{3}{12} \cdot \frac{2}{11}

Frequently Asked Questions (FAQ)

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