Scientific Notation. 210,000,000,000,000,000,000,000 miles (22 zeros) This number is written in standard form. When numbers get this large, it is easier.

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Scientific Notation

210,000,000,000,000,000,000,000 miles (22 zeros) This number is written in standard form. When numbers get this large, it is easier to write them in scientific notation. How wide is our universe?

Scientific Notation A number is expressed in scientific notation when it is in the form a x 10 n where a is between 1 and 10 and n is an integer

Partner Talk Determine which ones are in Scientific Notation. 0.4 x x x x x x

Writing Numbers in Scientific Notation a. 40,000 b c. 4,030 d e. 78f

a x 10 6 Is this going to be a big or small number?

b x 10 2 c. 5.0 x 10 8 Express in Standard Form

Is this going to be a big or small number? d. 2.4 x 10 -3

e x f. 3.2 x Express in Standard Form

g.Multiply 3 x and 9 x 10 3 Multiply With Scientific Notation

g.Multiply 3 x and 9 x 10 3 Multiply With Scientific Notation You try… 4 x 10 4 and 6 x 10 6