Question

if 2^x/2^3=16, find the value of x.

Answer 1

We have 2^3 = 8 ,

so , 2^x/8= 16

2^x = 16×8

2^x = 128

2^x = 2^7

so we get x = 7

Answer 2

Answer:

x=7

Step-by-step explanation:

$\frac{ {2}^{x} }{ {2}^{3} } = 16 \\ {2}^{x - 3} = {2}^{4} \\ x - 3 = 4 \\ x = 4 + 3 \\ x = 7$