To express 0.015 as a percentage, you need to multiply it by 100. This is because ‘percent’ means ‘per hundred’.
So, when you calculate:
0.015 × 100 = 1.5
This means that 0.015 is equal to 1.5%. You simply shift the decimal point two places to the right when converting a decimal to a percentage.
In summary, 0.015 expressed as a percentage is 1.5%.