Assignment 11 Textbook

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21:46:34 Query 1.4.24 1 to any power is what?

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RESPONSE --> 1

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21:46:41 ** The meaning is 1^2, 1^3, 1^4. We take a power of the base. The result is always 1. **

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RESPONSE --> ok

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21:47:02 Query 1.4.30 sqr of neg gives what?

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RESPONSE --> nonreal answer /error

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21:47:25 ** The square root of a negative will often give you an error (what can you square to get a negative, since any number squared is positive?), but on certain calculators it gives a complex number (actually two complex numbers). These are not real numbers; for the purposes of this course there is no real square root of a negative number. There is no real number that can be squared to give a negative. If you square a negative number you get a negative times a negative, which is positive. If you square a positive number you get a positive number. So a negative number has no real square root. **

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RESPONSE --> ok

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21:48:26 Query 1.4.42 drawer has 18 compartments; how many drawers to hold 204 tapes?

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RESPONSE --> 204/18 = 11 with some left over Will need 12 drawers to hold 204.

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21:48:34 ** 204 / 18 = 11 with remainder 6. If we had 11 drawers they would hold all but 6 of the tapes. The leftover tapes also have to go into a drawer, so we need a 12th drawer. **

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RESPONSE --> right

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This looks good. Let me know if you have questions.