Question

Viết kết quả dưới dạng lũy thừa:

5¹². 7 - 5¹¹. 10

Answer 1

= 5¹¹.(5.7-10)=5¹¹.25=5¹³

Answer 2

\(5^{11}\left(5\cdot7-10\right)=5^{11}\left(35-10\right)=5^{11}\cdot5^2=5^{13}\)

Answer 3

\(5^{12}\cdot7-5^{11}\cdot10\)

\(=5^{11}\cdot\left(5\cdot7-10\right)\)

\(=5^{11}\cdot5^2=5^{13}\)