One step
Convert 2 miles to centimeters.
321869 cm
A student goes through seven class periods in school. Each period lasts 55 minutes. How many hours does he spend in class per day?
What is 6.4 hours
How many significant figures are in 11.03 km
What is 4
Which state of matter is compressible?
Gas
Convert 10 inches into centimeters
What is 25.4 cm
Convert 40 yards to miles.
(1 yard= 3 feet) & (1 mile= 5280 ft)
What is 0.022 miles
How many significant figures are in 33027000 meters
What is 5
List one difference between chemical and physical changes
Chemical change is a permanent change
Physical deals with states of matter changes
etc
Convert 320 ounces into pounds
(1 lb = 16 ounces)
What is 20 lb
27 gallons to milliliters
( 1 gallon= 3.78541 L)
102,206 mL
A bucket contains 4.65 L of water. How many gallons of water is that?(1 gallon = 3.78541 L)
What is 1.23 gal
Write the answer to this problem in the correct significant figures: 8.01-6.2
What is 1.8
Identify if the reaction below is a chemical or physical change. Explain why?
Cu + FeCl2 --> CuCl2 + Fe
Chemical, what you start with is not what you end with
Convert 12 L into gallons (1 gallon= 3.78541 L)
What is 3.2 gal
How many kilometers are there in 28.90 inches. (Make sure your answer is in the right significant figures to win points)
0.0007341km
You have a cat that weighs 19 pounds how many ounces does he weigh?
(1lb = 16 ounces)
What is 304 oz
Write the answer to this problem in the correct significant figures: 4.353 x 0.0030
What is 0.013
Students collect data on an objects mass. The true value for the mass is 30.0 grams.
The students collected the following masses: 29.9g, 30.1 g, 30.0 g, 29.9 grams, 20.1 grams.
Which data point has the highest percent error? Calculate the percent error.
33%
Convert 36 seconds to minute.
What is 0.6 min
Convert 8.01 ounces to pounds (lbs)
(1 lb = 16 ounces)
( 1 quart = 4 cups )
0.501 lbs
The speed of a plane is 80 kilometers per hour and the speed of a train is 44 miles per hour. Which one is faster?
What is the plane is faster
70 kilometers for train
Solve this problem and make sure your answer is in the correct significant figures:
(4.504 + 3.4545) x 1.23334
What is 9.816
Students add vinegar to milk and notice it curdles after a few minutes. Is this chemical or physical reaction?
They then decided to weigh the mass of each curdle and get the following data: 0.012g, 0.013 g, 0.012 g, 0.011 g, and 0.011 g
Is there data accurate? precise? Explain and calculate the average.
chemical
both
precise, but we can't say it's accurate without knowing the true value of the mass of curdles