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प्रश्न
Simplify and express the following in exponential form:
(515 ÷ 510) × 55
सरल रूप दीजिए
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उत्तर
We have, (515 ÷ 510) × 55 = `(5^15/5^10) xx 5^5` = 515–10 × 55 ...`[∵ a^m/a^n = a^(m - n)]`
= 55 × 55 = 55 + 5 ...[∵ am × an = am + n]
= 510
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