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Question
Express `(1.5 xx 10^6)/(2.5 xx 10^-4)` in the standard form.
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Solution
Given, `(1.5 xx 10^6)/(2.5 xx 10^-4) xx 10^(6 + 4)` ...[∵ am + an = (a)m – n]
= `3/5 xx 10^10`
= 0.6 × 1010
= 6 × 1010 × 10–1 ...[∵ am × an = am + n]
= 6 × 109
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