Can you solve no 5 (2^-72)?

Problem 1 [1 points per blank * 10 blanks = 10 points) Convert the following numbers from decimal to floating point, or vice versa. If rounding is necessary, you should round toward O. For the floating-point representation, consider a format as follows: Total - 18 bits One sign bit k = 7 exponent bits n = 10 mantissa bits C . . Decimal Floating-point 1 16 16 -3 Z 64 123 1 71 128 2-72 1 0111111 0000000000 1 1111111 0000000000 0 1001000 0000000100