Question

So sánh 

a/ \(64^4\) và \(21^{12}\)

Answer 1

21^12=(21^3)^4= 9261^4

64^4 < 9261^4

Vậy 64^4 < 21^12

Answer 2

\(64^4\) và \(21^{12}\)

\(21^{12}=\left(21^3\right)^4=9261^4\)

\(64^4< 9261^4\)

--> \(64^4< 21^{12}\)

Answer 3

\(^{21^{12}=\left(21^3\right)^4=9261^4}\)

\(64^4< 9261^4\)

Answer 4

\(64^4\)  và \(21^{12}\)

\(21^{12}=\left(21^3\right)^4=9261^4\)

vì \(9261^4>64^4\Rightarrow21^{12}>64^4\)