2. Using your scientific calculator, perform the following operations now you have learned sig figs; all answers should have sig figs): (3.4 x 10)(1.05 x 10-2) = 35.7 (4.56 X 108) + (8.33 X 10') = 87.86 x 108 X = x 8 (1.46 X 10%)/(9.5 x 10-2) = 13 9 X 10% (7.104 x 10-5) - (9.336 x 10-5) = -2.232 x 10-2 =