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Popular >

simplify 2-4(2)^{-1}+1

Solution

simplify

2 - 4 (2)^{- 1} + 1

Solution

1

Solution steps

2 - 4 \cdot 2^{- 1} + 1

Add the numbers:

2 + 1 = 3

= 3 - 4 \cdot 2^{- 1}

Apply exponent rule:

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

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

= 3 - 4 \cdot \frac{1}{2}

4 \cdot \frac{1}{2} = 2

= 3 - 2

Subtract the numbers:

3 - 2 = 1

= 1

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Frequently Asked Questions (FAQ)

What is 2-4(2)^{-1}+1 ?
The solution to 2-4(2)^{-1}+1 is 1