Answer:
(c) 26896
Step-by-step explanation:
You want the decimal value of (110 1001 0001 0000)₂.
The bits are conveniently written in groups of 4, so the hexadecimal version of the number is easily seen to be 6910₁₆.
In expanded form, that is ...
6×16³ +9×16² +1×16 +0 = 24576 +2304 +16 = 26896
The decimal value of the number is 26896, choice C.