Consider $x$ = $(0.1001)_b$ and $F$[3,2]. ($F$[3,2] is the set of all floating point numbers with 3 digits in the mantissa and 2 digits in the exponent.)
The question is $x$ in the working range [3,2]?
I am quite confused does $F$[3,2] mean $(0.111)_b$ x $2^{11}$ = $(111)_b$?