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(32)25.(33)4.(34)3=350.312.312=374
(52)50.(53)5=5115
(416)3.48.(42)4=
a 350 x312 x 312 = 374
b 5100 x 515 =5115
c 49 x 48 x 48 = 425
\(8^{14}:\left(4^4.64^5\right)=2^{42}:\left(2^8.2^{30}\right)=2^{42}:\left(2^{8+30}\right)=2^{42}:2^{38}=2^{42-38}=2^4=16\)
\(\left(9^{10}.27^7\right):\left(81^7.3^{15}\right)=\left(3^{20}.3^{21}\right):\left(3^{28}.3^{15}\right)=\left(3^{20+21}\right)\left(3^{28+15}\right)\)
\(=3^{41}:3^{43}=3^{41-43}=3^{-2}=\frac{1}{9}\)
\(\frac{\left(9^{11}.243^5\right)}{\left(81^5.3^{24}\right)}=\frac{9^{11}.\left(3^5\right)^5}{\left(9^2\right)^5.3^{24}}=\frac{9^{11}.3^{25}}{9^{10}.3^{24}}=9.3=27\)
\(\frac{9^3.2^{10}.27^5}{4^5.81^6}=\frac{\left(3^2\right)^3.2^{10}.\left(3^3\right)^5}{\left(2^2\right)^5.\left(3^4\right)^6}=\frac{3^6.2^{10}.3^{15}}{2^{10}.3^{24}}=\frac{3^{21}.2^{10}}{2^{10}.3^{24}}=\frac{1}{3^3}=\frac{1}{27}\)