USING LAW OF EXPONENTS :
a. (15^4 × 9^2 × 125) /(3^6 × 5^7)
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a. (15^4 × 9^2 × 125) /(3^6 × 5^7)
ans is 3² = 9
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Answer:
15^4= 3^4 X 5^4
= (3^4 x 5^4 x 3^4 x 5^3)/(3^6 x 5^7)
= (3^8 x 5^7)/(3^6 x 5^7)
= 3^2
= 9 (ans)
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