What is the answer 20 or 9?

Question

Comments

I think it should be 20

Answer 1

here, in question it is mentioned that excess 64 exponent it means that

here, bias is 64.

so , exponent 1010100 represents 84 in decimal no system.

to get exponent in decimal we subtract bias that is 64 from exponent part f floating point no.

so, 84-64=20