Classwork Series and Exercises {Mathematics- JSS2}: Approximation and Estimation

Rounding off numbers To ’round off’ or ‘approximate’ a number to a desired degree of accuracy, we round the number up if the next digit is 5 or more round the number down if the next digit is less than 5. We represent approximately equal to as and approximately as ‘~’ Examples: 73 is close to 70 if approximating [...]