Reading to the Correct Precision

How much liquid is in the beaker?

• 50 mL

• 50. mL

• 50.0 mL

• 50.00 mL

How much liquid is in the beaker?

• 800 mL

• 8.0 x 10² mL

• 800. mL

• 800.0 mL

How much liquid is in the graduated cylinder?

• 10 mL

• 11 mL

• 11.0 mL

• 11.00 mL

• 20 mL

• 19 mL

• 19.0 mL

• 19.00 mL

What is the length of the ruler?

• 5 cm

• 5.0 cm

• 5.00 cm

How much liquid is in this buret? (Burets are read from the top down)

• 8.61 mL

• 7.34 mL

• 7.4 mL

• 7.43 mL

How would you record this mass?

• Round to 2 sig figs → 1.0 g

• Record as read → 1.027 g

• It depends on what your are measuring

• Drop the last digit → 1.02 g