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​94×103×4−4×161256×36\frac{9^4×10^3×4^{-4}×16^{\frac{1}{2}}}{5^6×3^6}56×3694×103×4−4×1621​​ equals:​
Question

94×103×44×161256×36\frac{9^4×10^3×4^{-4}×16^{\frac{1}{2}}}{5^6×3^6} equals:​

A.

14000\frac{1}{4000}​​

B.

49000\frac{4}{9000}​​

C.

19000\frac{1}{9000}​​

D.

91000\frac{9}{1000}​​

Correct option is D

Given:

94×103×44×161256×36\frac{9^4×10^3×4^{-4}×16^{\frac{1}{2}}}{5^6×3^6}​​

Formula Used:

(xa)b=xab(x^a)^b = x^{ab}​​

xa×ya=(x×y)ax^a \times y^a = (x\times y)^a​​

Solution:

94×103×44×161256×36\frac{9^4×10^3×4^{-4}×16^{\frac{1}{2}}}{5^6×3^6}​​

=94×(2×5)3×456×(32)3×44\frac{9^4×(2×5)^3×4}{5^6×(3^2)^3×4^{4}}​​

=94×23×5356×(9)3×43\frac{9^4×2^3×5^3}{5^6×(9)^3×4^{3}}​​

=9×2353×(22)3\frac{9×2^3}{5^3×(2^2)^{3}}​​

=9×2353×(2)6\frac{9×2^3}{5^3×(2)^{6}}​​

=953×(2)3\frac{9}{5^3×(2)^{3}}​​

=9(10)3\frac{9}{(10)^{3}}​​

=91000\frac{9}{1000}​​

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