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08-11-2007, 05:51 PM
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Negative Exponentials
Why does 4p to the -3rd power equal 4/p to the third power when simplified, and not 1/4p to the third power?
Edit: Nevermind, I think I got it, sort of.
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Excelsior, BS Finance, pursuing degree Studying: Completed: CLEP: Hum. (67), Hist. of U.S. I (74), Hist. of U.S. II (71), Intro. Psych. (69), Intro. Soc. (72), Soc. Sci. and Hist. (74), Western Civ I (72), Western Civ II (70), Am. Lit. (60), Intro. to Educ. Psych. (62), P. of Management (74), P. of Market. (74), Intro. Bus. Law (67), P. of Accounting (60), AmGov (68) DSST: Ethics in Am. (76), P. of Super.(67), HRM (65), Intro to Bus. (70), MIS (65), P. of Fin (62), M&B (65), P. of Stat. (68) ECE: OB (B) Total Credits: 108 Last edited by mstcrow5429 : 08-11-2007 at 05:53 PM.     
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08-11-2007, 06:31 PM
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Is 3 to the -2 power positive or negative 9? Why?
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Excelsior, BS Finance, pursuing degree Studying: Completed: CLEP: Hum. (67), Hist. of U.S. I (74), Hist. of U.S. II (71), Intro. Psych. (69), Intro. Soc. (72), Soc. Sci. and Hist. (74), Western Civ I (72), Western Civ II (70), Am. Lit. (60), Intro. to Educ. Psych. (62), P. of Management (74), P. of Market. (74), Intro. Bus. Law (67), P. of Accounting (60), AmGov (68) DSST: Ethics in Am. (76), P. of Super.(67), HRM (65), Intro to Bus. (70), MIS (65), P. of Fin (62), M&B (65), P. of Stat. (68) ECE: OB (B) Total Credits: 108
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08-12-2007, 11:49 AM
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Quote:
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JoAnne G. BS-Business, Excelsior College, 2007
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08-12-2007, 03:24 PM
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hahaha sorry! =D
let's see if i can translate it better by typing steps: original problem: 3 to the -2 power aka "3^-2" 1) due to the negative power, you flip the 3 upside down so it becomes 1/3 2) then you apply the exponent to it: 1/3 to the 2nd power 3) 1/3 to the 2nd power is bascially the same thing as 1/3 times 1/3 4) which equals to positive 1/9 does that explanation help? sorry, i wish i could write it out for you on paper b/c i'm sure it'd make more sense than on the computer =]
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08-12-2007, 05:04 PM
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Quote:
I think the text has it wrong then...
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Excelsior, BS Finance, pursuing degree Studying: Completed: CLEP: Hum. (67), Hist. of U.S. I (74), Hist. of U.S. II (71), Intro. Psych. (69), Intro. Soc. (72), Soc. Sci. and Hist. (74), Western Civ I (72), Western Civ II (70), Am. Lit. (60), Intro. to Educ. Psych. (62), P. of Management (74), P. of Market. (74), Intro. Bus. Law (67), P. of Accounting (60), AmGov (68) DSST: Ethics in Am. (76), P. of Super.(67), HRM (65), Intro to Bus. (70), MIS (65), P. of Fin (62), M&B (65), P. of Stat. (68) ECE: OB (B) Total Credits: 108
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08-12-2007, 06:50 PM
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I checked it on my TI-85, got the same answer you did. I can't find it in the text, it's possible I took it out of an equation at some point.
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Excelsior, BS Finance, pursuing degree Studying: Completed: CLEP: Hum. (67), Hist. of U.S. I (74), Hist. of U.S. II (71), Intro. Psych. (69), Intro. Soc. (72), Soc. Sci. and Hist. (74), Western Civ I (72), Western Civ II (70), Am. Lit. (60), Intro. to Educ. Psych. (62), P. of Management (74), P. of Market. (74), Intro. Bus. Law (67), P. of Accounting (60), AmGov (68) DSST: Ethics in Am. (76), P. of Super.(67), HRM (65), Intro to Bus. (70), MIS (65), P. of Fin (62), M&B (65), P. of Stat. (68) ECE: OB (B) Total Credits: 108
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Linear Mode
