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Unformatted text preview: have: R = 118.52(138) – 0.4(138) 2 Our order of operations says to take care of the squared first. So 138² = 138*138 = 19044 R = 118.52(138) – 0.4(19044) Now we multiply each part. We get: R = 16355.76  7617.6 Now subtract R = $8738.16 #18 + + + + 14x4 23x3 58x2 2+ 34x4 38x22 Put like terms together: I color coded them for you. 14x4+ + + + 34x4 23x3 58x2 38x2 2 2 Now let’s put these together. + + + + 1 34x4 23x3 5 38x2 2 2 →+ + + 24x4 23x3 88x2 2 2 →+ + + 12x4 23x3 1x2 0 →+ + 12x4 23x3 x2 I reduced 2/4 to 1/2, and 8/8 reduces to 1. Let me know if you have questions. Kimberly...
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 Spring '09
 RANJITREBELLO
 Scientific Notation, Want, #, Exponentiation, __, $8738.16

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