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Application of Inverse Proportionality

A mobile phon...

Question

A mobile phone has $21 %$ of battery left in it. Express this as a decimal value.

A

0.021

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B

0.21

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C

2.1

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D

0.0021

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Solution

The correct option is B 0.21
Given percentage is $21 %$
Divide the value with 100 to obtain its decimal value.
$= 21 % = \frac{21}{100} = 0.21$

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