B. Significant Figures in Calculations. Round the answer to as many significant figures in the answer as there are in the measurement with the least number of significant figures (for multiplication and division) and round the answer to the same number of decimal places as there are in the measurement with the least number of decimal places (for addition and subtraction)

1. 51.01 + 57.0111
2. 21.0110 + 15.022201
3. 20 x 1.0001
4. 33.33 -11
5. 16.015-11.02 ​