Question

45^10.5^20/75^15

 

Answer 1

45¹⁰x5²⁰/ 75¹⁵= 243 

nha bạn 

Answer 2

\(\frac{45^{10}.5^{20}}{75^{15}}\)

\(=\frac{45^{10}.\left(5^2\right)^{10}}{75^{15}}=\frac{45^{10}.25^{10}}{3^{15}.25^{15}}\)

\(=\frac{3^{10}.15^{10}}{3^{15}.25^5}=\frac{3^{10}.5^{10}}{5^5.5^5}\)

\(=3^{10}=59049\)