Question

4⁸.2²⁰

Answer 1

Ta có : \(4^8.2^{20}=4^8.\left(2^2\right)^{10}=4^8.4^{10}=4^{8+10}=4^{18}\)

\(=6,871947674.10^{10}\)

Answer 2

Ta có : 4⁸.(2²)¹⁰=4⁸.(2²)¹⁰=4⁸.4¹⁰=4⁸⁺¹⁰=4¹⁸ 

Answer 3

Ta có: \(4^8\cdot2^{20}\)

\(=\left(2^2\right)^8\cdot2^{20}\)

\(=2^{16}\cdot2^{20}\)

\(=2^{36}\)