Counting Sig Figs
How many sig figs in 0.00350 km?
3 SF
Convert10.034mJ to cJ
1.0034cJ
Convert 1.5 square miles (miles^2) to square meters (m^2).
Conversion factor: 1609.34 meter = 1 mile
3,884,963 m2
3,900,000m2
An irregularly shaped object displaces 32 ml of water. It has a mass of 9.0 grams.
0.28g/ml
How many sig figs in 12000?
2 SF
Perform the calculation and round to correct amount of Sig figs.
23.18 m+ 6.819 m
30.00 m
756,900 microsec to ms
756.9ms
25 m/s to miles/hr
0.621 mi = km; 1km = 1000m
56 miles/hr
Water has a density of 1.0 g/mL . Would the density of ocean water be more or less? Explain
More; Salt content
Convert 250 km to cm
25000000 cm
Multiply (2.6cm)x(3.78cm) and round to correct amount of Sig Figs
9.8cm2
0.0075 Gm to km
7500 km
59 ft to cm
1 ft = 12in; 1in = 2.54cm
1800cm
A rock has a density of 4 g/ml and a mass of 16 grams. What is the volume this rock occupies?
4 ml.
5,400 inches to miles
1 mile = 5,280 ft ; 1 inch = 2.54 cm
0.085 miles
Divide 35g/0.62cm3
56g/cm3
200 GB to B
2 x 1011 B
176ft/s to miles/h
1mi = 5280ft
120.mi/h
How does the volume occupied by a cubic centimeter (cm³) compare with the volume occupied by a milliliter (ml)?
1cc = 1ml
An unknown substance from planet X has a density of 10 g/ml. It occupies a volume of 80 ml. What is the mass of this unknown substance?
800 g
4.35cm x 2.74 cm x 3.008cm
35.9 cm3
0.00091TL to ML
910 ML
3,945,000m to miles
1km = 1000m; 1km = 0.621 mi
2450. mi
A cube made of an unknown material has a height of 9 cm. The mass of this cube is 3,645 grams. Calculate the density of this cube given this information.
5.00g/cc
While doing a lab, a student found the density of a piece of pure aluminum to be 2.85 g/cm3 . The accepted value for the density of aluminum is 2.70 g/cm3 . What was the student's percent error?
5.55%