Question

1. $\dfrac{12^4×9^3×4}{6^3×8^2×27}$

Answer 1

Question:-

$\dfrac{12^4×9^3×4}{6^3×8^2×27}$

Solution:-

We have,

$\dfrac{12^4×9^3×4}{6^3×8^2×27}$ =

$\dfrac{2^2×3)^4×(3^2)^3×2^2}{(2×3)^3×(2^3)^2×3^3}$

= $\dfrac{(2^2)^4×(3)^4×3^{2×3}×2^2}{2^3×3^3×2^{2×3}×3^3}$

= $\dfrac{2^8×2^2×3^4×3^6}{2^3×2^6×3^3×3^3}$

= $\dfrac{2^{8+2}}{2^{3+6}×3^{3+3}}$

= $\dfrac{2^{10}×3^{10}}{2^9×3^6}$

= $\sf{2^{10-9}×3^{10-6} = 2^1×3^4}$

$\implies$ 2×18=162

Simplified!

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Answer 2

Answer:

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The process by which green plants prepare their own food with the help of air water n sunlyt is called photosynthesis..Photosynthesis is the process in which green plants use sunlight to make their own food. Green plants use this light energy to change water and carbon dioxide into oxygen and nutrients called sugars.