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Question
Express the following in standard form:
Express 5 tons in g.
Solution
Given, 5 tonnes = 5 × 100 kg ...[∵ 1 tonne = 100 kg]
= 5 × 100 × 1000 g ...[∵ 1 kg = 1000 g]
= 500000 g
Standard form of 500000 = 5 × 10 × 10 × 10 × 10 × 10 ...[∵ am × an = (a)m + n]
= 5 × 105
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