Warm-up Decide whether the number is in scientific notation. If not, write the number correctly. Write in decimal form. Write in scientific notation.

Math II UNIT QUESTION: What methods can be used to find the inverse of a function? Standard: MM2A2, MM2A5 Today’s Question: How do exponent rules apply to operations with scientific notation? Standard: MM2A2.a

4.1 Scientific Notation Multiplying and Dividing

Multiplying and Dividing To multiply, divide, or find powers of numbers in scientific notation, use the properties of exponents.

Use the properties of exponents. Example 1: Evaluate Multiply these together. Use the rules of exponents. Not scientific. We will move it to the left once, so we ADD one.

Use the properties of exponents. Example 2: Evaluate Divide these. Use the rules of exponents.

Use the properties of exponents. Example 3: Evaluate Share the exponent.

Use the properties of exponents. Example 4: Evaluate In 1994 the population of California was about 3.1 x In that year about 5.6 x local calls were made in California. Estimate the number of local calls made per person in California in 1994.

Homework Day 1 Page 111 #9-17

Homework/Class work Day 2 Text: page 110 #9-27 (odd) Workbook: p. 117 #25-32