Foundation Mathematics Primary 4 Decimals

Arrange in INCREASING order: 0.405, 0.45, 0.045, 0.5, 0.054.

A 0.045, 0.054, 0.405, 0.45, 0.5
B 0.054, 0.045, 0.405, 0.45, 0.5
C 0.5, 0.45, 0.405, 0.054, 0.045
D 0.045, 0.054, 0.45, 0.405, 0.5
Show Worked Solution

Worked Solution

Step 1: Express each with 3 decimal places: 0.405, 0.450, 0.045, 0.500, 0.054. Step 2: Order by comparing digits left-to-right after the decimal point. Step 3: 0.045 < 0.054 < 0.405 < 0.450 < 0.500. Answer: 0.045, 0.054, 0.405, 0.45, 0.5

Correct answer: 0.045, 0.054, 0.405, 0.45, 0.5

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