$2^x$

$2^{10}+2^{10}=2^x$

or, $2 \times 2^{10}=2^x$

or, $2^{1+10}=2^x$

or, $11=x$

$2\times 2^{10}=\boxed{2^{11}}$ .WHY THIS IS SET TOPIC IN CALCULUS??

We can rewrite the left side as $2 \times 2^{10}$ , which is equal to $2^{11}$

$2^{10} + 2^{10} = \boxed{2^{11}}$

$2048 = 2048$