2. Convert the following binary numbers to floating point format. Assume a binary format consisting of a sign bit (negative = 1), a base 2, 8-bit, excess-128 exponent, and 23 bits of mantissa, with the implied binary point to the right of the first bit of the mantissa.

a. 110110.011011

b. 1.1111001

c. 0.11002^36

d. 0.11002^36

I need help, please show work so I can understand. Thank you!