Question

125⁸⁰  và 25⁴⁸

Answer 1

\(125^{80}=\left(5^3\right)^{80}=5^{240}\)

\(25^{48}=\left(5^2\right)^{48}=5^{96}\)

Vì 240 > 96 mà 5 = 5

=> \(5^{240}>5^{96}\)

=> \(125^{80}>25^{48}\)

Answer 2

125⁸⁰  và 25⁴⁸

125⁸⁰=( 5³) ⁸⁰ =5²⁴⁰

25⁴⁸ = (5²)⁴⁸ =5⁹⁶

=>5²⁴⁰ >5⁹⁶=>125⁸⁰  > 25⁴⁸

Answer 3

Vì \(\hept{\begin{cases}125>25\\80>48\end{cases}\Rightarrow125^{80}>25^{48}}\)

Answer 4

Ta có : 125⁸⁰=(5³)⁸⁰=5²⁴⁰

                25⁴⁸=(5²)⁴⁸=5⁹⁶

Vì 5²⁴⁰> 5⁹⁶ =>125⁸⁰  > 25⁴⁸

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