Four students each ran a different distance in PE class. Their distances were 0.7 km, 0.65 km, 0.605 km and 0.689 km. Which student ran the greatest distance?
Show Worked Solution
Worked Solution
Step 1: Rewrite all numbers with the same number of decimal places (3 d.p.).
0.700, 0.650, 0.605, 0.689
Step 2: Compare the tenths digit first.
0.700 → 7 tenths
0.650 → 6 tenths
0.605 → 6 tenths
0.689 → 6 tenths
Since 7 > 6, the number 0.700 is the greatest.
Step 3: No need to compare further — 0.7 already leads.
Answer: 0.7
Answer: 0.7
Correct answer: 0.7
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