1. Scientific Notation Review

2. Scientific Notation Review
The mass of the Earth is 5,980,000,000,000,000,000,000,000 kg
The mass of an alpha particle is 0.000,000,000,000,000,000,000,000,006,645 kg
This is why scientific notation was developed.

3. Scientific Notation Review
Has to have a decimal and a power of ten
To be CORRECT, it has to be bigger than 1, and smaller than 10.
Ex. 234,000,000 => 2.34x108
Ex => 4.85x10-3

4. Scientific Notation Review
To multiply: the exponents can simply be added together
Ex. Multiply 6.7 x 105 times 3.4 x 102
6.7 * 3.4 = 22.78
5 + 2 = 7
Answer: x 107
Answer: x 108

5. Scientific Notation Review
To divide: the exponents can simply be subtracted
Ex. divide 6.7 x 105 by 3.4 x 102
6.7 / 3.4 = 1.97
5 - 2 = 3
Answer: 1.97 x 103

6. Scientific Notation Review
Exponentials: multiply the exponents
Ex. (2.4 x 104)3
(2.4)3 x 10(4x3)
x 1012
Answer: 1.4 x 1013

7. Scientific Notation Review
Square Root: write the number with an even power of 10, then divide by 2
Ex. √ x 105
x 105 = x104
√ = 8.189
4 / 2 = 2
Answer: x 102