Q9,p2,d14. The range of representable normalized numbers in the floating point binary fractional representation in a 32-bit word with 1-bit sign, 8-bit excess 128 bias ed exponent and 23-bit mantissa is

(A) 2^–128to (1 – 2^–23).×¹²⁷

(B) (1 – 2^–23) ×2^–127 to 2¹²⁸

(C) (1 – 2^–23) ×2^–127 to  2 ²³

(D) 2^–129 to (1 – 2^–23) ×2¹²⁷

answer d.