Reference no: EM131977

1. Add 12ten to 15ten in binary and then subtract 12ten from 15ten in binary.

2. Using 4-bit numbers to save space, multiply 3ten  x 4ten in binary. 

3. Using a 4-bit version of the algorithm to save space, divide 5ten by 3ten in binary. 

4. Add 3.76ten x 100 to 3.45ten x 102, assuming that we have three significant decimal digits. Round to the nearest decimal number with three significant decimal digits, first with guard and round digits, and then without them.