Multiplying a decimal by a whole number uses the same method as multiplying ... In the above example you were asked to calculate \(2.4 \times 5\). \({2}\times{5}={10}\) and \({3}\ ...
To multiply a whole number by a number between 0 and 1: Multiply the decimal by a power of 10 to ... 4 x 10 = 40, and 0∙5 x 10 = 5. Now work out 40 ÷ 5. 40 ÷ 5 = 8. 4 ÷ 0∙5 = 8 Remember ...