Question

2 mũ 7 nhân 9 mũ 3 phần 3 mũ 5 nhân 8 mũ 2

 

Answer 1

\(\dfrac{2^7.9^3}{3^5.8^2}\)

\(=\dfrac{2^7.\left(3^2\right)^3}{3^5.\left(2^3\right)^2}\)

\(=\dfrac{2^7.3^6}{3^5.2^6}\)

\(=\dfrac{2.3}{1}=\dfrac{6}{1}=6\)