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Dive into expressing numbers in scientific notation with examples and practice problems. Learn to convert standard form to scientific notation effortlessly.
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Transparency 9 Click the mouse button or press the Space Bar to display the answers.
Example 9-5e Objective Express numbers in scientific notation
Example 9-5e Vocabulary Scientific Notation A number written as a product of a factor and a power of 10 And the factor must be greater than or equal to 1 and less than 10 8.74 · 108
Lesson 9 Contents Example 1Express Numbers in Standard Form Example 2Express Numbers in Standard Form Example 3Write Numbers in Scientific Notation Example 4Write Numbers in Scientific Notation
Write in standard form. Example 9-1a Write the problem 9.62 105 Use the calculator 9.62 10 [yx] 5 = Put 9.62 in calculator Push the sign 962,000 Put 10 in calculator Push the exponent key [yx] Answer: 962,000 Put the exponent 5 in calculator Push the = sign 1/4
Write in standard form. Example 9-1b Answer: 53,200 1/4
Write in standard form. Example 9-2a Write problem 2.85 10-6 Use Calculator Put 2.85 in calculator 2.85 10 [yx] 6 - = Push multiplication sign Put 10 in calculator 0.00000285 Push the exponent key [yx] Answer: 0.00000285 Put the exponent 6 in calculator then +/- Push the = sign 2/4
Write in standard form. Example 9-2b Answer: 0.000381 2/4
Example 9-3a Write 931,500,000 in scientific notation. Write the problem Use calculator 931,500,000 Put number in calculator 931,500,000 [2nd] [sci] Push the 2nd key 9.315 08 Push the sci (it is the scientific key) or #5 9.315 108 Must write with power of 10 Write 9.315 Answer: 9.315 108 Write 10 Write exponent of 8 3/4
Example 9-3b Write 35,600,000 in scientific notation. Answer: 3.56 107 3/4
Example 9-4a Write 0.00443 in scientific notation. Write the problem 0.00443 Put number in calculator Push the 2nd key 0.00443 [2nd] [sci] Push the sci (it is the scientific key) or #5 4.43 -3 Must write with power of 10 4.43 10-3 Write 4.43 Write 10 Answer: 4.43 10-3 Write exponent of -3 4/4
Example 9-4b * Write 0.000653 in scientific notation. Answer: 6.53 10-4 4/4
End of Lesson 9 Assignment