The rounded-off figure of 46.55 is:

Explanation

The following is the solution: To round 46.55 to one digit or place after the decimal point, we have to eliminate the last digit in 46.55. To eliminate the last digit, we use the following One Decimal Place rules to get the answer: One Decimal Place Rule #1: If the last digit in 46.55 is less than 5, then remove the last digit. One Decimal Place Rule #2: If the last digit in 46.55 is 5 or more and the second to the last digit in 46.55 is less than 9, then remove the last digit and add 1 to the second to the last digit. One Decimal Place Rule #3: If the last digit in 46.55 is 5 or more and the second to the last digit in 46.55 is 9, then remove the last digit, make the second to last digit 0, and add 1 to the number to the left of the decimal place.