First, 15 rounded to the nearest ten is: 20. When rounding to the nearest ten, like we did with 15 above, we use the following rules: A) We round the number up to the nearest ten if the last digit in the number is 5, 6, 7, 8, or 9.How do you round something to the nearest hundredth?
To round to the nearest cent, nearest penny, or nearest hundredth, you will need to locate the hundredths place. Then look at the digit to the right. If it is 5 or above, the number in the hundredths place will be increased by 1 and all the rest of the numbers after it are dropped.