Mathematics for IGCSE & O level - Estimation (Section 3 - No. 32)
When rounding to a given number of decimal places, what should you look at?
The digit immediately to the left of the decimal place.
The digit immediately to the right of the desired decimal place.
The digit two places to the right of the desired decimal place.
The digit in the tens place.
Giải thích
The digit immediately to the right determines whether to round up or down.