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Problem solving
 [I SEE]
 I = Identify
 S= Set up
 E = Execute
 E = Evaluate

Target Variable
The quantity whose value you're trying to find.

Identify
Find out what is relivant, find target variable.

Set Up
The problem: figure out what tools to use (ie:equations), how to use them possably draw a sketch.

Execute
The solution: "do the math". List equations and variables, then solve the variables.

Evaluate
Your answer: does your answer make sence?

Model
A simplified version of a physical system that would be too complicated to analyze in full detail.

Physical Quantity
Any number that is used to describe a physical phenomenon quantitatively.

Operational definition
Defined by how we use them.

1 Kilometer
= 1Km = 10^{3} meters = 10^{3} m

1 Sec
Is the amount of time required for 9,192,631,770 cycles of this microwave radiation.

Meter
The distance that light traveles in a vacume in 1 / 299,792,458 secound.






Powers of 10
 Yocto = 10^{24} y
 Zepto = 10^{21} z
 Atto = 10^{18} a
 Femto = 10^{15} f
 Pico. = 10^{12} p
 Nano. = 10^{9} n
 Micro = 10^{6} u
 Milli. = 10^{3} m
 Centi. = 10^{2} c
 Kilo. = 10^{3} k
 Mega = 10^{6} M
 Giga. = 10^{9} G
 Tera. = 10^{12} T
 Peta. = 10^{15} P
 Exa. = 10^{18} E
 Zetta. = 10^{21} Z
 Yotta. = 10^{24} Y

Accuracy
How close it is likely to be to the true value.

