Arrange the following decimal numbers in descending order.8.51, 8.06, 9.10, 8.57

The given decimal numbers are like decimals. By checking the digits before decimal, we observe that 9.10 is largest of given numbers. Among the remaining numbers, by checking the tenths place, we observe that 8.06 is the least. Out of remaining numbers, by checking the hundredths place, we observe that 8.57 is bigger than 8.51. So, by arranging the given numbers from big to small, we have,
⇒ 9.10, 8.57, 8.51, 8.06