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Popular >

simplify 2*2^{-1}

Solution

simplify

2 \cdot 2^{- 1}

Solution

1

Solution steps

2 \cdot 2^{- 1}

Apply exponent rule:

a^{b} \cdot a^{c} = a^{b + c}

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

= 2^{1 - 1}

Subtract the numbers:

1 - 1 = 0

= 2^{0}

Apply exponent rule:

a^{0} = 1, a \neq = 0

= 1

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Frequently Asked Questions (FAQ)

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