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- (48.625)   -->    - (110000.101)

Moving radix point to leading bit 1    --> - (1.10000101)*25

 Since In question it is mentioned ' single precision '

Sign 1 bit,  Exponent 8 bit (in Excess 127), Mantissa 23 bit

1<= E <= 254   and M != 0 , So we can use implicit normalised form 

E = 127 + 5 = (132)10 =(10000100)

S =(1)2  (since it's a negative number so sign bit = 1)

M=(10000101000000000000000)2

S(1) E(8) M(23)
1 1 0 0 0 0 1 0 0 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

In Hexadecimal form  (C2428000)16 

Please correct me If anywhere I get wrong.

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