Question

bài 1

9 mũ 2.3 mũ 5 

9 mũ 2. 27.3 mũ 5

 

Answer 1

\(9^2\cdot3^5=3^4\cdot3^5=3^9\\ 9^2\cdot27\cdot3^5=3^4\cdot3^3\cdot3^5=3^{12}\)

Answer 2

\(9^2\cdot3^5=3^4\cdot3^5=3^9\)

\(9^2\cdot27\cdot3^5=3^4\cdot3^3\cdot3^5=3^{12}\)