Question

2ⁿ . 2²ⁿ. 2 ³ = 16

Answer 1

`@` `\text {Ans}`

`\downarrow`

\(2^n\cdot2^{2n}\cdot2^3=16\)

`\Rightarrow `\(2^{n+2n+3}=2^4\)

`\Rightarrow `\(2^{3n+3}=2^4\)

`\Rightarrow 3n + 3 = 4`

`\Rightarrow 3n = 4 - 3`

`\Rightarrow 3n = 1`

`\Rightarrow n = `\(\dfrac{1}{3}\)

Vậy, \(n=\dfrac{1}{3}\)

Answer 2

2ⁿ.2²ⁿ.2³ = 16

2³ⁿ = 16: 2³

2³ⁿ = 2

3n = 1

n = \(\dfrac{1}{3}\)