Task 6 + 7

Task 6. Convert these 2s complement numbers into their denary values. Show your working.
a)10001 : -15
b)11000 : -8
c)00010: 2
d)01000 : 8
e)11110 : -2
f)01110 : 13

Task 7. Convert the following 7 bit 2s complement binary numbers into decima;. Show your working.

a) 1000100 : -60
b) 1011000 : -40
c) 0110001 : 49