Question

3.2^x= 768. Tìm x

Answer 1

3.2^x=768

  2^x=768:3

  2^x=256

   2^x=2^8

chúc bn hk tốt ~~~

Answer 2

2^x = 768 ÷ 3 

2^x = 256

2^x = 2^8

X = 8

Answer 3

3.2^x=768

(=)2^x=256

(=)2^x=2^8

=>x=8

Answer 4

\(3.2^X=768\)

\(2^X=768:3\)

\(2^X=256\)

\(\Rightarrow2^X=2^8\)

\(\Rightarrow X=8\)

Answer 5

\(3.2^x=768\)

\(\Leftrightarrow2^x=768:3\)

\(\Leftrightarrow2^x=256=2^8\)

\(\Rightarrow x=8\)

Answer 6

3.2^x=768

=>2^x=768:3=256

=>2^x=2^8

=>x=8

 đúng giùm nha

Answer 7

3 . 2 mũ x = 768

    2 mũ x = 768 : 3

     2 mũ x = 256

     2 mũ x = 2 mũ 8

\(\Rightarrow\)  x = 8

Chúc bạn học tốt!