1. Scientific Notations - Operations Addition and Subtraction 1 st Convert one of the numbers so the exponents match 2 nd Add or subtract the decimal numbers 3 rd keep your exponent the same 4 th if the new decimal value is not between 1 and 10, rewrite your answer in scientific notation form

2. Scientific Notations - Operations Addition and Subtraction 1 st Convert one of the numbers so the exponents match 2 nd Add or subtract the decimal numbers 3 rd keep your exponent the same 4 th if the new decimal value is not between 1 and 10, rewrite your answer in scientific notation form

3. Scientific Notations - Operations Addition and Subtraction 1 st Convert one of the numbers so the exponents match 2 nd Add or subtract the decimal numbers 3 rd keep your exponent the same 4 th if the new decimal value is not between 1 and 10, rewrite your answer in scientific notation form ** if you must move the decimal to the right to convert, the exponent decreases

4. Scientific Notations - Operations Addition and Subtraction 1 st Convert one of the numbers so the exponents match 2 nd Add or subtract the decimal numbers 3 rd keep your exponent the same 4 th if the new decimal value is not between 1 and 10, rewrite your answer in scientific notation form

5. Scientific Notations - Operations Addition and Subtraction 1 st Convert one of the numbers so the exponents match 2 nd Add or subtract the decimal numbers 3 rd keep your exponent the same 4 th if the new decimal value is not between 1 and 10, rewrite your answer in scientific notation form

6. Scientific Notations - Operations Addition and Subtraction 1 st Convert one of the numbers so the exponents match 2 nd Add or subtract the decimal numbers 3 rd keep your exponent the same 4 th if the new decimal value is not between 1 and 10, rewrite your answer in scientific notation form

7. Scientific Notations - Operations Addition and Subtraction 1 st Convert one of the numbers so the exponents match 2 nd Add or subtract the decimal numbers 3 rd keep your exponent the same 4 th if the new decimal value is not between 1 and 10, rewrite your answer in scientific notation form

8. Scientific Notations - Operations Addition and Subtraction 1 st Convert one of the numbers so the exponents match 2 nd Add or subtract the decimal numbers 3 rd keep your exponent the same 4 th if the new decimal value is not between 1 and 10, rewrite your answer in scientific notation form

9. Scientific Notations - Operations Addition and Subtraction 1 st Convert one of the numbers so the exponents match 2 nd Add or subtract the decimal numbers 3 rd keep your exponent the same 4 th if the new decimal value is not between 1 and 10, rewrite your answer in scientific notation form

10. Scientific Notations - Operations Multiplication 1 st Multiply the numbers preceding the power of 10 2 nd Add the exponents of the powers of ten 3 rd if the new decimal value is not between 1 and 10, rewrite your answer in scientific notation form

11. Scientific Notations - Operations

20. Division 1 st Divide the numbers preceding the power of 10 2 nd Subtract the exponents of the powers of ten 3 rd if the new decimal value is not between 1 and 10, rewrite your answer in scientific notation form

21. Scientific Notations - Operations