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Simplify:  (33×24×72)(32×56)\frac{(3^3×2^4×7^2)}{(3^2×56)}(32×56)(33×24×72)​​​
Question

Simplify:  (33×24×72)(32×56)\frac{(3^3×2^4×7^2)}{(3^2×56)}​​

A.

28

B.

36

C.

42

D.

70

Correct option is C

Given: 

(33×24×72)(32×56)\frac{(3^​3× 2^4× 7^2) }{ (3^2× 56)} 

Solution:

 Factorize 56:

56 = 23× 7

Now, 

(33×24×72)(32×23×7) =332×243×721\frac{(3 ^3× 2^4× 7^2) }{ (3^2× 2^3 \times 7 )}\\ \ \\ = 3 ^{3-2}× 2^{4-3}× 7^{2-1}​​

= 3 × 2 × 7

= 42

Thus, correct option is (c).

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