Question

3^-5 × 10^-5×5^3×7^2 divide 5^-7 ×2^-5×3^-5×7^3×5^2
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Answer 1

Step-by-step explanation:

Ratio between their ages=2:3Prem's age=2xSachin's age=3xSachin is 6years younger than Prem.Sachin's age=3x+6Ratio of their ages after 6 years.Sachin's age= 3x+6+6 = 3x+12Prem's age= 2x+6

Answer 2

Answer:

$\frac{ ( {3}^{ - 5} \times {10}^{ - 5} \times {5}^{3} \times {7}^{2}) }{ ({5}^{ - 7} \times {2}^{ - 5} \times {3}^{ - 5} \times {7}^{3} \times {5}^{2} )$