Float format :

    1 bit sign, 10 bit exponent, 7 bit significand

Float value :

  010000001110001010

  0   10 0000 0111  000 1010

Conversion back :

  Sign bit 0 = +

  Exponent 1000000111
           9876543210

  2^9 + 2^2 + 2^1 + 2^0  = 512 + 4 + 2 + 1 = 519

  10 bit exponent   2^(n-1) - 1  = 2(10-1)-1 = 2^9 - 1 = 512 - 1 = 511

  519 - 511 = 8

  Significand  (1).0001010 

  1.0001010 x 2^8 =  100010100.0 

  100010100
  876543210  
ating point 0 1000111 0001010

  2^8  + 2^4 + 2^2 = 256+16+4 = 276