Express the given percent as a decimal. \[ 4 \% \] \[ 4 \%= \]

Step 1 ：Express the percent as a fraction by dividing it by 100: \(4 \% = \frac{4}{100}\)

Step 2 ：Simplify the fraction to a decimal: \(\frac{4}{100} = 0.04\)

Step 3 ：\(\boxed{0.04}\)