The enrollment at sonya's school is 109% of last years enrollment. what decimal represents this year's enrollment to last year's.

1.09 because all percents are divided by 100 to find the decimal

Rounding decimals is very similar to rounding other numbers. if the hundredths and thousandths places of a decimal is forty-nine or less, they are dropped and the tenths place does not change. for example, rounding 0.843 to the nearest tenth would give 0.8. , your welcome !