Question

How many sig-figs in the following measurements?

1.605 cm =

16.050 cm =

16.050 cm =

Write the answers to the appropriate number of sig figs

12 + 12.5 + 125 =

1.62 x 10^3/2.8 x 10^-5 =

Answer 1

1.605cm = 4 significant figures

16.050cm = 4 significant figures

16.050cm = 4 significant figures

12 + 12.5 + 125 = 149.5 = 4 significant figures

1.62 × 10^3/2.8 × 10^-5 = 1620/0.000028 = 11 significant figures