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Popular >

simplify 2^{-1}-3

Solution

simplify

2^{- 1} - 3

Solution

- \frac{5}{2}

+1

Decimal Notation

- 2.5

Solution steps

2^{- 1} - 3

Apply exponent rule:

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

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

= \frac{1}{2} - 3

\frac{1}{2} - 3 = - \frac{5}{2}

= - \frac{5}{2}

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Frequently Asked Questions (FAQ)

What is 2^{-1}-3 ?
The solution to 2^{-1}-3 is -5/2