# 9-25-13a - Cobb Learning

```Write this in the “What is Scientific Notation?” section of your foldable:
Scientific Notation is used to represent very large and very small numbers.
Scientific Notation always has a coefficient that is between 1 and 10 multiplied by a power of
ten.
Coefficient
Exponent
4.6 x 104
__________________________________________________________________________________
Write this in the “Proper Scientific Notation” section of your foldable:
If the coefficient is too large, you need to move the decimal back to the appropriate space and
38.2 x 103 should be changed to 3.82 x 104
If the coefficient is too small, you need to move the decimal forward to the appropriate space
and subtract that amount from your exponent.
0.012 x 105 should be changed to 1.2 x 103
_________________________________________________________________________________________
Write this in the “Numbers Larger than 1” section of your foldable:
Exponent is positive!
Standard Form:
123,547,000
Scientific Notation:
1.23547 x 108
__________________________________________________________________________________________________
Write this in the “Numbers Smaller than 1” section of your foldable:
Exponent is negative!
Standard Form:
0.000578
Scientific Notation:
5.78 x 10-4
```
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