Scientific Notation
Significant figures
Units of Measurement
Vocabulary
Dimensional Analysis
100
8.28 x 10 0
What is 8.28
100
How many sig figs? 0.0000504
What is 3
100

the standard SI unit for time

What is second

100

The closeness of measurements to the accepted value.

What is accuracy

100

5.8 hectometers = __________ dekameters

58 dekameters

200
1.5 x 10 6 + 3.64 x 10 7
What is 3.8 x 10 7
200
How many sig figs? 67.84930
What is 7
200
the standard SI unit for mass
What is Kilogram
200

A means of expressing numbers that are large or small: a number between 1-9 and raised to the power of ten

Scientific Notation

200

400 grams = _____________ lbs

1 kg = 2.2 lbs

0.88 lbs

300
the number represented by 4.654 x 10 -3
What is 0.004654
300
45.578 minus 41.4
What is 4.1
300
1/1000 of a meter
What is millimeter
300

Refers to how close a series of measurements are to one another

Precision

300

Calculate the percent error if the actual measure was 57.8 grams and the student got a measure of 43.6 grams.

24.57 %

400
6 x 10 12 divided by 3 x 10 3
What is 2 x 10 9
400
6.365 x 4.86
What is 30.93
400

The unit of measurement used for temperature

Kelvin or Celcius

400

A number that includes all know digits

Significant Figures

400

792,100 mm = ___________________ miles

1 in = 2.54 cm, 1ft= 12 in, 1 mile = 5280 ft

0.492 miles

500
8.4 x 10 7 multiplied by 3.2 x 10 8
What is 2.7 x 10 16
500
Round this number to four sig figs: 18.5675
What is 18.57
500
the formula for density
What is D=mass divided by volume
500

A method of problem-solving that focuses on the unties and conversion factors

Dimensional Analysis

500

547 decimeters = ___________________ miles

1 in = 2.54 cm, 1ft= 12 in, 1 mile = 5280 ft

0.034 miles

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