Chem H - Unit 1

1 lb

454 g

1 in

2.54 cm

1 gal

3.78 L

adding/subtracting sig figs

answer has same # of decimal places of the one with the least

multiplying/dividing sig figs

answer has same # of sig figs as the one with the least

density of water

1 g/mL

1 mL

1cm³

1 mi

5280 ft

how to convert metric units

set up equal fractions (og prefix on bottom), 1 w greater prefix 10 with less than, absolute value of exponent distance goes as an exponent on the 10

1m

3.28 ft