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Greatest Integer Function

If the charac...

Question

If the characteristics of ${log}_{10} 0.0000739$ is $a$ , then value of $[a]$ is
(where [.] denotes the greatest integer function)

A

- 4

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B

- 5

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C

- 6

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D

- 7

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Solution

The correct option is B $- 5$
Given ${log}_{10} 0.0000739$
Here, the number of zeroes after decimal and before any significant digit is $4$ .
$∴$ The characteristics $= - 4 - 1 = - 5$
$a = - 5 \Rightarrow [a] = - 5$

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Greatest Integer Function

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