Mathematics for IGCSE & O level - Estimation (Section 2 - No. 17)
If you needed to estimate the answer of the following equation, which number should you round to the nearest whole number?
(8.7 + 2.4) / 2
8.7 and 2.4
Only 2.4
Only 2
No rounding required.
Giải thích
Both 8.7 and 2.4 should be rounded to the nearest whole number to estimate.