Sig Figs
How many sig figs are in 67920 m?
4
Round this to 3 sig figs: 7425 cm
7430 cm
Write the following number in scientific notation:
4400000 m
4.4 x 106 m
Convert 28 inches to cm.
71 cm
A cube has a mass of 54 grams and a volume of 20 cm³. What is its density?
3 g/cm³
How many sig figs are in 40009 in?
5
Round this to 1 sig fig: 0.058 cm3
0.06 cm3
Write the following number in scientific notation:
0.000044087 cm
4.4087 x 10-5 cm
Convert 4.00 gal into cups.
64.0 cups
If an object has a density of 7.8 g/cm³ and a volume of 10.0 cm³, what is its mass?
78 g
How many sig figs are in 0.00530 g/mL?
3
Round this to 2 sig figs: 307.000 s
310 s
Write the following number in scientific notation:
.00000000003001 g/mL
3.001 x 10-11 g/mL
How many milliliters are in 2.5 liters?
2500 mL
A substance has a density of 1.5 g/mL. How many grams of this substance would occupy a volume of 250 mL?
380 g
How many sig figs are in 0.708000 min?
6
Round this to 3 sig figs: 0.00068900 yd
0.000690 yd
Write the scientific notation number in its proper standard form.
4.5 x 10^-3 m
0.0045 m
Convert 2.5 days to minutes.
3600 min
A rectangular prism has a length of 5 cm, width of 3 cm, and height of 2 cm. If its mass is 60 g, what is its density?
2 g/cm³
How many sig figs are in 9.00 x 105 cm
3
Round this to 4 sig figs: 86 g
86.00 g
Write the scientific notation number in its proper standard form.
6.003 x 109 in
6003000000 in
How many centimeters are in 5 meters?
500 cm
A liquid has a density of 0.9 g/mL. What volume would 450 g of this liquid occupy?
500 mL