\(\frac{20^5.5^{10}}{100^5}=\frac{20^5.25^5}{100^5}=\frac{\left(20.25\right)^5}{100^5}=\frac{500^5}{100^5}=5^5\)
\(\frac{20^5.5^{10}}{100^5}=\frac{20^5.\left(5^2\right)^5}{100^5}=\frac{20^5.25^5}{100^5}=\frac{\left(20.25\right)^5}{100^5}=\frac{500^5}{100^5}=\frac{\left(100.5\right)^5}{100^5}=\frac{100^5.5^5}{100^5}=5^5=3125\)
205.5101005 =205.(52)51005 =205.2551005 =(20.25)51005 =50051005 =(100.5)51005 =1005.551005 =55=3125