1. Operations with Scientific Notation SWBAT multiply and divide numbers in scientific notation

2. Review Does grouping matter in multiplication? Does grouping matter in multiplication? –No What property is that? What property is that? –Associative

3. Operations with scientific notation Multiply or divide the first numbers Multiply or divide the first numbers Change your answer into scientific notation Change your answer into scientific notation Multiply the two powers of 10 Multiply the two powers of 10 Keep your answer in scientific notation Keep your answer in scientific notation

4. Examples 4(3.98 x 10 -5 ) 4(3.98 x 10 -5 ) (4.1 x 10 3 )(9) (4.1 x 10 3 )(9) 0.9(8 x 10 9 ) 0.9(8 x 10 9 ) 6(5.1 x 10 -12 ) 6(5.1 x 10 -12 ) 3.6 x 10-4_ 3.6 x 10-4_ 120 120 6 x 10 -2 6 x 10 -2 240 240 4.608 x 10 -22 4.608 x 10 -22 0.96 0.96 9.9 x 10 20 9.9 x 10 20 9900 9900

5. Do the try these problems on your paper 2(7.5 x 10 3 ) 2(7.5 x 10 3 ) –1.5 x 10 4 (6.3 x 10 -5 )(6) (6.3 x 10 -5 )(6) –3.78 x 10 -4 3(1.4 x 10 6 ) 3(1.4 x 10 6 ) –4.2 x 10 6 _9.9 x 10 8 _ _9.9 x 10 8 _ 11 11 –9 x 10 7 _2.15 x 107_ _2.15 x 107_ 5 –4.3 x 10 6 _6.6 x 10-4_ _6.6 x 10-4_ 600 600 –1.1 x 10 -6