Question

So sánh

7 x 2 ¹³ và 2 ¹⁶ 

 

Answer 1

7 . 2¹³ và 2¹⁶

2¹⁶ : 2¹³ = 2³ = 8

8 > 7\(\Rightarrow\)7. 2¹³ < 2¹⁶

Hk tốt

Answer 2

\(7.2^{13};2^{16}\)

\(\Leftrightarrow7.2^{13}:2^{13}=7\)và   \(2^{16}:2^{13}=2^3=8\)

\(\rightarrow7< 8\Rightarrow7.2^{13}< 2^{16}\)