Question

1. Tính

\(\frac{5^4.20^4}{25^5.4^5}\)

Answer 1

 = 5^4.5^4.4^4/(5^2)^5.4^5

 = 5^8.4^4/5^10.4^5

= 1/5^2.4 = 1/100

k mk nha

Answer 2

Ta có: \(\frac{5^4.20^4}{25^5.45}\)

=\(\frac{\left(5.20\right)^4}{\left(25.4\right)^5}\)

= \(\frac{100^4}{100^5}\)

=\(\frac{1}{100}\)