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

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

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

Examples 4(3.98 x ) 4(3.98 x ) (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 ) 6(5.1 x ) 3.6 x 10-4_ 3.6 x 10-4_ x x x x x x

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 )(6) (6.3 x )(6) –3.78 x (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 _ –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_ –1.1 x 10 -6