An 8-bit Floating point representation (b7b6b5b4b3b2bubo) where: by = is the sign bit b6b5b4 = the exponent bits (in 1's complement) b3b2b1bo = the mantissa bits (normalized as 0.1b3b2b1bo) Which of the following numbers is represented as 01010011 Select one: 0 +1.0011 x 2-3 0 +0.10011 x 2-1 +0.1011 x 2-2 O +1.0011 x 2-1