Arrange the following in ascending order according to their values. 0.02 ÷ 0.4, 0.2 × 3, 0.04 × 5
(3 marks)

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Solution

Solution:
0.02 ÷ 0.4 = $\frac{2}{100}$ ÷ $\frac{4}{10}$
= $\frac{2}{100}$ × $\frac{10}{4}$
= $\frac{1}{20}$
= 0.05
(1 mark)
0.2 × 3 = $\frac{2}{10}$ × 3
= $\frac{6}{10}$
= 0.6
(1 mark)
0.04 × 5 = $\frac{4}{100}$ × 5
= $\frac{20}{100}$
= 0.2
Thus, the given values can be arranged in ascending order as 0.02 ÷ 0.4 < 0.04 × 5 < 0.2 × 3.
(1 mark)

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Arrange the following in ascending order according to their values. 0.02 ÷ 0.4, 0.2 × 3, 0.04 × 5 (3 marks)

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