Final answer:
To write 0.0388 as a percent, multiply it by 100. Therefore, 0.0388 is equivalent to 3.88%.
Step-by-step explanation:
To write the decimal 0.0388 as a percent, you need to multiply it by 100. This will give you the equivalent decimal value in percentage form.
0.0388 * 100 = 3.88%
So, the decimal 0.0388 can be written as 3.88%.
Learn more about Converting decimals to percents