Sig Figs
Sci Notation
Accuracy/%error
Conversions
Density
100
How many significant figures are in 1234
What is 4
100
convert 3,400 into scientific notation
What is 3.4 x 10^3
100
If some measurements agree closely with each other but differ widely from the actual value, these measurements are
What is precise but not accurate
100
Convert 3.5 km into meters (note 1km=1000m)
What is 3500m
100
Formula for Density
What is D=M/V
200
How many significant figures are in 1090.0010
What is 8
200
convert 0.000023 into scientific notation
What is 2.3 x 10^-5
200
How close a measured value is to an accepted value
What is accuracy
200
Convert 50°C to Kelvin.
What is 323K?
200
An object has a volume of 825 cm^3 and a density of 13.6 g/cm^3. Find its mass.
What is 11,220g
300
How many significant figures are in 3.4 x 10^4
What is 2
300
Convert 1.901 x 10-7 into standard notation
What is 0.0000001901
300
the following measurements were taken by a group of students. 17mL, 17.5mL, 17.2mL and 17.4mL the actual measurement was 18.9mL. What type of measurement did they take?
What is Precise but not accurate measurement.
300
Convert 2.83 days into seconds.
What is 244,512 seconds
300
A liquid has a density of 0.87 g/mL. What volume is occupied by 25 g of the liquid?
What is 28.7mL
400
How many significant figures are in 0.0000030
What is 2
400
Convert 8.65 x 10-1 into standard notation
What is 0.865
400
(actual value - observed value)/Actual Value and the multiplied by 100
What is Percent error
400
Convert 30°F to celsius
What is -1.1°C?
400
A chunk of metal has a mass of 5.25 g. It is placed in a graduated cylinder containing 25.0 ml of water. Once the metal is placed in the graduated cylinder, the water rises to 38.2 ml. What is the density of the metal?
What is 0.397 g/cm^3
500
How many significant figures are in 7.991 x 10^7
What is 4
500
convert 4.50 into scientific notation
What is 4.50 x 10^0
500
A student takes an object with an accepted mass of 200.00 grams and masses it on his own balance. He records the mass of the object as 196.5 g. What is his percent error?
What is 1.75%
500
Convert 16 years into seconds
What is 504,921,600 seconds
500
A block measures 5.25 cm by 2.25 cm by 8.50 cm. with a mass of 5.85 g • Calculate the density of the block in g/cm^3
What is .058 g/cm^3
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