Question

If 2^20 - 2^19 = 2^x, what is the value of x?

Answer 1

Answer:

$x=19$

Step-by-step explanation:

$2^2^0-2^1^9=2^x$

$2^x=524288$

$log(2^x)=log(524288)$

$x=\frac{log(524288)}{log(2)}$

$x=19$