15.5486 (# of SF?)

10 x 2.800 (answer with correct SF)

A rock was weighed at 75.5 grams and placed into a beaker with 140 mL of water in it. The level rose to 170 mL after the rock was placed into it. Calculate the density

1.00790 (# of SF?)

density of a sphere with a radius of 2.5 cm and weighing 70.00 grams, in g/mL

Density of a 11.0 g rock with a volume of 5.0 mL

Convert 1.77 miles per minute to km/hr [1.609km = 1mile]

Mass of a copper sample (D = 8.96 g/mL) with a volume of 3.0 mL

convert 1200 micrograms to kg

99.99 - 70.1 (answer with correct SF)

convert 120 mg to kg

Convert 47.50 m/s to km/hr