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प्रश्न
Using laws of exponents, simplify and write the answer in exponential form:
`(2^20 ÷ 2^15) xx 2^3`
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उत्तर
(220 ÷ 215) × 23
= `(2^(20 − 15))` × 23 ...(∵ am ÷ an = am − n)
= 25 × 23
= `2^(5 + 3)` ...(∵ am × an = am + n)
= 28
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