\(54^{13}:2^{13}:9^{13}:3^{12}\)
\(=27^{13}:9^{13}:3^{12}\)
\(=3^{13}:3^{12}\)
=3
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`54^13 :2^13 : 9^13 : 3^12 = (2.3^3)^13 : 2^13 : (3^2)^13 :3^12`
`=3^39 .2^13 : 2^13 : 3^26 :3^12 = 3^39 :3^26 : 3^12 =3^13 : 3^12 =3`
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