Scientific Notation Review
Scientific Notation is used to express very large or very small numbers by using the powers of 10For Example say that we want to express a in scientific notation.
A) 3210000
First we look at the number and check the important numbers needed then we bring the decimal to the left
3.210000
Now remember how many spaces we moved to the left (6 times) and then remove the zeros
3.21
Now we times it by 10 to the power of 6
3.21 X 106
and now your done =) (Still don't understand it? then check out thie video
Unitary Rates
Example: If 1m = 100 cm
1m2 = 10000 cm (100 X 100)
1m2 = 10000 cm (100 X 100)
1m3 = 1000000 cm (100 X 100 X 100)
Remember that when you square or cube the units, you also square the powers.
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