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If log28 = ...

Question

If ${log}_{2} 8 = x$ then $x$ is equal to_____

A

2

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B

3

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C

4

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D

5

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Solution

The correct option is B $3$
${log}_{2} 8 = x$
$\Rightarrow {log}_{2} 2^{3} = x$
$\Rightarrow 3 {log}_{2} 2 = x$
$\Rightarrow x = 3$
Hence, B is the correct option.

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