Basic College Mathematics (10th Edition)

$2\frac{1}{2}\%$ as a decimal is $0.025$.
We convert $2\frac{1}{2}\%$ to a decimal using these steps: Step 1: Convert the fraction to a decimal: $2\frac{1}{2}\%=2.5\%$ It may be necessary to divide (e.g. $1\div 2$) for more complex fractions. Step 2: Move the decimal point two places left: $2.5\%\rightarrow 0.025$ Thus $2\frac{1}{2}\%$ as a decimal is $0.025$.