To round the number 5.10 to the nearest tenth, follow these steps:
- Identify the tenths place: In the number 5.10, the digit '1' is in the tenths place (the first digit after the decimal point).
- Look at the next digit: The next digit to the right is '0', which is in the hundredths place.
- Determine if you round up or keep the same: If the hundredths digit is 5 or greater, round the tenths digit up by one. If it is less than 5, keep the tenths digit the same.
- Since the hundredths digit is '0' (which is less than 5), you keep the tenths digit the same.
- Final rounded number: The number 5.10 rounded to the nearest tenth is 5.1.