450:810=(22)50:(23)10
=2100:230
=270
\(4^{50}:8^{10}=\left(2^2\right)^{50}:\left(2^3\right)^{10}\)
\(=2^{100}:2^{30}\)
\(=2^{100-30}\)
\(=2^{70}\)
Chúc bạn hk tốt nha!!!
4^50:8^10=(2^2)^50:(2^2)^10=2^100:2^20=2^100-20=2^80
450 : 810 = ( 22 )50 : ( 23 )10
= 2100 : 230
= 2100 - 30
= 270