Answer for adding and subtracting sig figs

Exercise 1

1) 10.20 + 4.1 + 26.001+ 2.4 = 42.7

2) 908.38902 - 11.563 = 896.826

3) 46.78 + 11 + 456.1= 513.9

4) 123 - 1.1 =122

5) .458892 + .342 =.801

6) 45.32 + 22.4 + 1 = 69

7) 100.274 + 5000 + 34.7890 = 5,135

8) 898.45789 - 100.5 = 798.0

9) 21 + 13.8 + 130.36 =165

10) 116.8 - 0.33 = 116.47