h, $5^{5}$ .$25^{2}$ .125
= $5^{5}$ .($5^{2}$)$^{2}$ .$5^{3}$
= $5^{5}$ .$5^{4}$ .$5^{3}$
= $5^{5+4+3}$
= $5^{12}$
i, 64 :$2^{3}$
= $2^{6}$ : $2^{3}$
= $2^{6-3}$
= $2^{3}$
m, 243 : $3^{4}$
= $3^{5}$ : $3^{4}$
= $3^{5-4}$
= $3^{1}$
n, $2^{5}$ . $4^{2}$ . 16
= $2^{5}$ . ($2^{2}$)$^{2}$ . $2^{4}$
= $2^{5}$ . $2^{4}$ . $2^{4}$
= $2^{5+4+4}$
= $2^{13}$
ư, 243 :$3^{3}$ :3
= $3^{5}$ : $3^{3}$ : $3^{1}$
= $3^{5-3-1}$
= $3^{1}$
f, 48 : 64 : 16
= $x2^{4}$+ $2^{5}$ : $2^{6}$ : $2^{4}$
= $x2^{4}$+ $2^{5-6-4}$
= $x2^{4}$+ $2^{-5}$
= 16 + $\frac{1}{32}$
=$\frac{513}{32}$
w, 256 : 23 : 4
=256 : 4 : 23
= $2^{8}$ : $2^{2}$ : 23
= $2^{8-2}$ : 23
=$2^{6}$ : 23
= 64 : 23
=$\frac{64}{23}$
