1. 10.7 Add, Subtract, Multiply, or Divide in Sc. Notation
Essential Question: How can you add, subtract, multiply or divide numbers in scientific notation?

2. Multiply in Scientific Notation.
Multiply the constants
Keep base of “10”
Add the exponents.
Change to proper scientific form if needed.

3. Practice

4. Divide in Scientific Notation.
Divide the constants
Keep base of 10”
Subtract the exponents.
Make sure in proper form.

5. Add/Subtract in Scientific Notation
Change both numbers to standard form.
Add/Subtract the numbers.
Put final answer back in Scientific Notation.
4.61 X − X 10 3