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jewelotaku2001

  • one year ago

Write the value of the expression. 2^3/2^3 A. 0 B. 1 C. 2 D. 3 4^7/4^9 A. -16 B. 1/16 C. 1/8 D. 8

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  1. anonymous
    • one year ago
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    What do you think the answer is to both? :)

  2. anonymous
    • one year ago
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    We can work with your understanding from there :)

  3. jewelotaku2001
    • one year ago
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    A and D?

  4. anonymous
    • one year ago
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    |dw:1433800005478:dw|

  5. anonymous
    • one year ago
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    Hmm.. close but not yet

  6. anonymous
    • one year ago
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    What is 12/12?

  7. jewelotaku2001
    • one year ago
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    B and D?

  8. anonymous
    • one year ago
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    For number 1 B is correct… 12/12 = 1 2^3/2^3 = 1

  9. anonymous
    • one year ago
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    Do you understand where it came from though?

  10. jewelotaku2001
    • one year ago
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    Yes... but I have no idea about the second one...

  11. anonymous
    • one year ago
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    Let me draw this out for you to increase your understanding :)

  12. Nnesha
    • one year ago
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    12 ?? 2 ^3 can be written as 2 time 2 times 2 =8

  13. anonymous
    • one year ago
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    What is 4^7 = ?

  14. jewelotaku2001
    • one year ago
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    16,384

  15. anonymous
    • one year ago
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    @Nnesha it was an example :)

  16. anonymous
    • one year ago
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    Now was does 4^9 = ?

  17. jewelotaku2001
    • one year ago
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    262,144

  18. anonymous
    • one year ago
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    Now.. we have really big numbers so you can also simplify the numbers before digging deeper.

  19. Nnesha
    • one year ago
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    0hhh great but we don't need a calculator for this one easy wat to solve this apply exponent rules \[\huge\rm \frac{ x^m }{ x^n } =x^{m-n}\]

  20. Nnesha
    • one year ago
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    way*

  21. anonymous
    • one year ago
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    There are multiple ways to do this ^

  22. anonymous
    • one year ago
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    That is the Power of A Quotient exponent property :)

  23. Nnesha
    • one year ago
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    yep :-) but if we solve it without calculator then we have to apply exponent rules :-)

  24. jewelotaku2001
    • one year ago
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    The exponent rule wouldn't work for this equation though, with my answer options. 7 - 9 doesn't equal any of my answers choices...

  25. anonymous
    • one year ago
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    |dw:1433800389103:dw|

  26. Nnesha
    • one year ago
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    remember if there is a negative sign you have to flip it \[\huge\rm x^{-m} = \frac{ 1 }{ x^m }\] this unit is all abt exponent rules :-)

  27. jewelotaku2001
    • one year ago
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    OH

  28. Nnesha
    • one year ago
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    \[\huge\rm \frac{ x^{-m} }{ 1} = \frac{ 1 }{ x^m }\] and \[\huge\rm \frac{ 1 }{ x^{-m}} = x^m\] gO_Od luck!

  29. jewelotaku2001
    • one year ago
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    @Aureyliant and @Nnesha thanks :-)

  30. anonymous
    • one year ago
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    You're welcome. :)

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