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anonymous

  • one year ago

Write 230,000,000,000 in scientific notation

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  1. anonymous
    • one year ago
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    put a decimal between the 2 and the 3 then count the decimal place until the end how many do you get?

  2. anonymous
    • one year ago
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    \[230,000,000,000\] \[2.\overbrace{30~000~000~000}^{\text{count these places}}\]

  3. anonymous
    • one year ago
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    11

  4. anonymous
    • one year ago
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    me too!

  5. anonymous
    • one year ago
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    final answer \[\huge 2.3\times 10^{11}\]

  6. anonymous
    • one year ago
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    thank you @satellite73

  7. anonymous
    • one year ago
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    yw

  8. anonymous
    • one year ago
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    You think you can help with a couple more

  9. anonymous
    • one year ago
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    sure

  10. anonymous
    • one year ago
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    If f(x) = -2x2 + 8x - 4, which of the follwoing is true? A. The maximum value of f(x) is -4. B. The graph of f opens upward. C. The graph of f has no x-intercept D. f is not a one to one function.

  11. anonymous
    • one year ago
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    *Following

  12. anonymous
    • one year ago
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    want to graph it?

  13. anonymous
    • one year ago
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    Sure

  14. anonymous
    • one year ago
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    i don't mean by hand, i mean by machine

  15. anonymous
    • one year ago
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    http://www.wolframalpha.com/input/?i=+-2x^2+%2B+8x+-+4

  16. anonymous
    • one year ago
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    A. The maximum value of f(x) is -4. definitely false, the max is probably 4, not -4

  17. anonymous
    • one year ago
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    B. The graph of f opens upward. also false, as we know since the leading coefficient is negative (it is \(-2\)) it opens down

  18. anonymous
    • one year ago
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    C. The graph of f has no x-intercept another false one it crosses the x axis twice

  19. anonymous
    • one year ago
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    that leaves...

  20. pooja195
    • one year ago
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    D .-.

  21. anonymous
    • one year ago
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    D

  22. anonymous
    • one year ago
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    imagine

  23. anonymous
    • one year ago
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    anyways we could have known that from the beginning a parabola is not one to one

  24. anonymous
    • one year ago
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    Here's the last question

  25. anonymous
    • one year ago
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    ooh goodie

  26. anonymous
    • one year ago
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    3log3(-5) = A. -5 B. 3 C. 9 D.undefined

  27. anonymous
    • one year ago
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    you cannot take the log of a negative number ever you will break out if you try go with D

  28. anonymous
    • one year ago
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    Ok thanks @satellite73

  29. anonymous
    • one year ago
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    yw https://www.youtube.com/watch?v=pWRJAHaOrYg

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