Answers:2. 17.53a. 63b. greater3c. add 1 to itStep-by-step explanation:When rounding, look at the digit that is ls to the right beside the digit in the place value to round to. If the number is greater than or equal to 5, round the digit in the place value to round to up one. If it is less than 5, do not. Let's look at some examples.EXAMPLE 1:23.123 round to the nearest tenth. 23.123 tenths place is underlinedDigit after tenths is bold. If greater than or equal to 5, round underlined digit up. If less than 5, don't change underlined digit.The bold number is a 2, which is less than 5, so the underlined number doesn't change.ANSWER TO EXAMPLE 1: 23.1EXAMPLE 2:57.54 round to the nearest whole number57.54 Nearest whole place value is underlinedDigit after underlined digit is bold. If greater than or equal to 5, round underlined digit up one. If bold digit is less than 5, don't change the underlined digit.The bold number is a 5, which equals 5, so the underlined number increases by 1.ANSWER TO EXAMPLE 2: 58Now, let's examine yours, now that we know how to round17.46 round to the nearest tenth17.46 tenths place is underlinedDigit after tenths is bold. If greater than or equal to 5, round underlined digit up by one. If bold digit is less than 5, don't change the underlined digit.The bold number is a 6, which is greater than 5, so the underlined number increases by 1.ANSWER TO QUESTION: 17.5Hope this helped :)PLEASE MARK BRAINLIEST