Scientific Notation
Significant Figures
Precision v. Accuracy
Unit Conversions
Etcetera
100
0.01 expressed in scientific notation
1 x 10-2
100
1.0003 has only this type of zero.
Sandwiched (Captive) Zeros
100
This is closeness of a measurement to an accepted value
accuracy
100
Convert 25.4 kg to grams.
25,400 grams
100
When measuring liquids in a graduated cylinder, it is important to measure from the bottom of the _________.
meniscus
200
1,200 written in scientific notation is
1.2 x 103
200
1,435,000 has this many significant figures
4 (trailing zeros before the decimal point are not significant)
200
reproducibility of measurements and agreement among numerical values best describes
precision
200
Convert 4.50 hours to seconds.
16,200 seconds
200
The length of this line in cm is 
2.00 cm
300
5,678,900 written in scientific notation
5.6789 x 106
300
14.0 + 3.68 =
17.7 (lowest number of decimal places for +/-)
300
A group of students tried to guess Mr. Ly's weight. Their guesses were 165, 167, and 168 lbs. Mr. Ly's weight is actually 155 lbs. These guesses are not _________.
Accurate
300
Convert 16 lbs to kg
1 lb = 454 g
1 kg = 1,000 g
16lbs~~7.3kg
300
This graduated cylinder contains _____ mL of water.
19.1, 19.2, or 19.3 mL
400
7.63 x 104 written in expanded form is
76,300
400
15 divide 3.0
5.0
400
A student experimentally determined the density of graphite to be 2.3 g/mL. The actual density of graphite is 2.23 g/mL. Calculate % error.
3.1%
400
Convert 1.25 quarts to L.
1 quart = 946 mL
1 L = 1,000 mL
1.25quarts~~1.18L
400
On a graph of mass v. volume, the slope of the best fit line represents _______.
density
500
8.5201 x 10-7 written in expanded form is
0.00000085201
500
142 x 2.01
285
500
A football player that scores 10/10 field goals can be described as ______.
both accurate and precise.
500
Convert 207 kg/dL to g/mL.
1 kg = 1,000 g; 1 L = 10 dL;
1,000 mL = 1 L
2,070 g/mL
500
This laboratory method is used to determine the density of an object by fully submerging it in water and measuring the volume change.
Water displacement