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Question
A sugar factory has annual sales of 3 billion 720 million kilograms of sugar. Express this number in the standard form.
Solution
Annual sales of a sugar factory = 3 billion 720 million kilograms = 3720000 kg
Standard form of 3720000 = 372 × 10 × 10 × 10 × 10
= 372 × 104 kg
= 3.72 × 104 × 102 ...[∵ am × an = (a)m + n]
= 3.72 × 106 kg
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