Question

Express as decimal fraction:
iv) $4.5\%$

Answer 1

Step : Expressing the given percentage as decimal fraction
Given, $4.5\%$

[Remove the sign of percentage and at the same
time divide by 100]
So, $4.5\%=\frac{4.5}{100}$
$=0.045$ [When a whole number is divided by 100, decimal point is placed just after two digits
from the right]
Hence, the decimal fraction of $4.5\%$ is $0.045$.