Easy Problems
Also Easy Problems
Not difficult
FREE PIZZA
These are tough (no they aren't)
100
Expressed to the correct number of significant figures, what is (3.02 g + 4.179 g + 6.2 g)?
13.4 g
100
A carton of milk contains 4.2 Liters of milk. How many milliliters is that?
4200 mL
100
How many significant digits does the number 0.0100 contain?
3
100
How many millimeters are in one meter?
1000 mm
100
Write the number 36001 in scientific notation.
3.6001 x 104
200
Which of these measurement contains a total of three significant figures?
A) 0.03 g B) 0.020 g C) 0.0200 g D)0.02000 g
C) 0.0200 g
200
Round 0.27003 to three significant figures.
0.270
200
Add the following numbers using the correct number of significant figures. 32.1 + 370.55 + 6400.123
6802.8
200
A football field is 120. yards wide. How wide is that in meters?
109.7 meters, (Proper sig figs would be 110. meters)
200
The three sides of a cube are 3.0 cm each. If the mass of the cube is 10. grams. What is the density? Include units.
0.37 grams/cm3
300
What is (55.5)(1.123) to the correct number of significant figures?
62.3
300
Convert 135 pounds to kilograms.
61.4 kg.
300
Four students measure a beaker. Which of the four measurements is the most precise?
A) About 2 Liters B)20 dL C)198 cL D)1986 mL
1986 mL. This measurement contains the most number of significant figures.
300
Express 3.765 x 10-4 in decimal form.
0.0003765
300
Convert 321,450 cm to km.
3.21450 km
400
What is the density of an object with mass 10.0 grams and volume of 5.000 mL?
2.00 g/mL
400
How many feet is 450. meters?
1476 feet, but with proper sig figs its 1480 feet.
400
A cube has a volume of 30 cm3 and a density of 3.0g/cm3. What is the cube's mass?
90 g
400
Do the following calculation to the correct number of significant figures. (3.45 x 1.21) + (11.21/4.56)
6.63
400
Convert 35 feet to cm
1066.8 cm (But proper sig figs would make it 1100 cm)
500
What is the correct measurement of the water in this graduated cylinder?
Anywhere between 12.5 and 12.9 would likely be acceptable. Answer must have three sig figs.
500
Which of the following masses is the largest?
A) 3 kg B) 500 cg C) 3,300 grams D) 35,000 mg
C) 3,300 grams
500
A piece of metal has a density of 3.65 g/cm3. If I break that cube into three equal sized pieces, what will the density of those pieces be?
3.65 g/cm3 (All materials made of the same substance have the same density. It does not matter how big or small the pieces are)
500
What is the law of conservation of mass.
Mass cannot be created or destroyed in chemical reactions.
500
How many seconds are in 100 years?
3155760000 seconds