#### Answer

a) 0.381
b) 121.0
c) 1.174
d) 8

#### Work Step by Step

a) 3.10007 x 9.441 x 0.0301 \div 2.31 =0.381 because the lowest number of sig figs was 3
b) 0.881 + 132.1 - 12.02 = 121.0 because the least decimal places was 1 in 132.1
c) 2.5110 x 21.20 \div (44.11 + 1.223)
53.2332 \div 45.333 = 1.174 because least number of sig figs was four in 45.333
d) (12.01 x 0.3) + 4.811 = 8 because least number of decimal places was 0 in 3.603 from the multiplication portion