Scientific Notation
Convert the following to standard notation:
1.28 x 10^4
12,800
Cluster of data points not on the bullseye
Precision
What is the base unit for mass?
Grams
K
Kilo
______ mg = 0.25 kg
250 000 mg
Convert the following to scientific notation:
0.000 000 054
5.4 x 10^-8
Scattered data points all over the target
Not accurate and not precise
What is the base unit for volume?
Liters
m
Milli
_______ km = 200 m
0.2 km
Convert the following to scientific notation:
8 675 309
8.675309 x 10^6
Data points are clustered around the bullseye
Accurate and Precise
What is the base unit for distance?
Meters
h
Hecto
502 mL = __________ L
0.502 L
Vocabulary: The name for the number at the beginning of a number written in scientific notation
example: 7.37 x 10^2
The coefficient
Data points that are near the bullseye but not clustered together
Accuracy
What is the base unit for temperature?
Kelvin
c
centi
0.156 dag = ________ mg
1 560 mg
The two main rules for writing numbers in scientific notation.
1. Coefficient must come first
2. Coefficient must be between 1 and 10
Determine the percent error for the problem:
When measuring the size of a piece of paper, the length was determined to be 11.25 in. The actual size is 11.5 in
% Error = (|Error|/Actual) x 100%
% Error = (|-.25 in|/ 11.5 in) x 100%
% Error = 2.17 %
What is the base unit for energy?
Calories
da
238.6 hcal = __________ ccal
2 386 000 ccal