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Question
Write 39,00,00,000 in the standard form.
Solution
For standard form 390000000 = 39 × 10 × 10 × 10 × 10 × 10 × 10
= 39 × 107
= 3.9 × 107 × 101
= 3.9 × 108 ...[∵ am × an = (a)m + n]
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