\(\left(\frac{4}{9}\right)^2\)

\(\left(\frac{4}{9}\right)^2\)

\(\left(\frac{2}{3}\right)^4\)

\(=\frac{4^2}{9^2}=\left(\frac{4}{9}\right)^2\)

\(\frac{8}{125}\)không thể viết được dưới dạng một luỹ thừa.

\(\frac{8}{27}=\left(\frac{2}{3}\right)^3\)

\(2^{24}=\left(2^3\right)^{21}=8^{21}\)

2²⁴= 8⁸

`2^24 = 2^(3.8) = (2^3)^8 = 8^8`

\(\text{Câu hỏi :}\)

\(\text{5 x 5 x 5 x 5 x 3 x 3 = ?}\)

\(\text{Trả lời :}\)

\(\text{5 x 5 x 5 x 5 x 3 x 3 = 5^4 x 3^2}\)

\(5\times5\times5\times5\times3\times3=5^4\times3^2\)

5x5x5x5x3x3= 5³x3²

7 x 7 x 7 x7 x7 x7 = 7\(^6\) 

^^ Học tốt! 

7 x 7 x 7 x 7 x 7 x 7 = \(7^6\)

7 x 7 x 7 x 7 x 7 x 7 = \(7^6\)

\(2\cdot8^{15}\cdot4\cdot8^{20}=\left(2\cdot4\right)\cdot8^{15+20}=8\cdot8^{35}=8^{36}\)

\(3\cdot9\cdot81\cdot729=3^1\cdot3^2\cdot3^4\cdot3^6=3^{1+2+4+6}=3^{13}\)

3 . 9 . 81 . 729 

= 3¹ . 3² . 3⁴ . 3⁶

27.27.3.27.27= 27 mũ 4.3