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anonymous

  • one year ago

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    this is the question What is p-m divided by pn equal to? p-m + np-m x np-m - np-m divided by n

  3. anonymous
    • one year ago
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  4. phi
    • one year ago
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    if you divide numbers that have the same base (as in here) the answer is the same base with a new exponent the new exponent is top exponent - bottom exponent can you do the problem ?

  5. anonymous
    • one year ago
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    You add, right @Phi

  6. phi
    • one year ago
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    let me redo this sentence: the new exponent is top exponent *minus* bottom exponent

  7. anonymous
    • one year ago
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    So its C? @phi

  8. anonymous
    • one year ago
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    Theres another question you will see it has fractions..

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  9. phi
    • one year ago
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    yes, c can you post a screen shot. the rtf's are a pain to look at

  10. phi
    • one year ago
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    fyi http://www.wikihow.com/Take-a-Screenshot-with-the-Snipping-Tool-on-Microsoft-Windows

  11. phi
    • one year ago
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    if you multiply numbers with the same base, then add the exponents. what is 2+ -5 ?

  12. anonymous
    • one year ago
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  13. phi
    • one year ago
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    so the first step: what is 2+ -5 ?

  14. anonymous
    • one year ago
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    7

  15. phi
    • one year ago
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    2+5 is 7 2+ -5 is something else

  16. anonymous
    • one year ago
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    3?

  17. phi
    • one year ago
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    if it is -5 degrees outside and the temperature goes up by 2 degrees, how cold is it?

  18. phi
    • one year ago
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    if all else fails, what does a calculator say the answer is? (though you should learn how to do negative numbers)

  19. anonymous
    • one year ago
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    Negative 7

  20. phi
    • one year ago
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    2-5 is -3 one way to do it is say start at 2 the minus means go down 5 steps 2 1 0 -1 -2 -3

  21. phi
    • one year ago
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    anyway the answer is \[ 3^{-3} \] that does not match any choices, but we can use the rule flip the number and make the exponent positive in other words \[ 3^{-3} = \frac{1}{3^3}\]

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