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anonymous

  • one year ago

(Fan and medal, going to attach a picture) Which value is equivalent to..

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    a. 10 over 9 b. 20 over 3 c. 100 over 9 d. 700 over 3

  3. anonymous
    • one year ago
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    Ok. So first you simplify whats inside the brackets

  4. anonymous
    • one year ago
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    So, 70 over 21 for the first one?

  5. anonymous
    • one year ago
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    Yes! And the second one..

  6. anonymous
    • one year ago
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    When you have anything to the power of zero the answer is 1

  7. anonymous
    • one year ago
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    (just in case you didnt know)

  8. anonymous
    • one year ago
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    Yeah, I know that the top becomes 1 but I'm not sure what to do with the negative exponent.

  9. anonymous
    • one year ago
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    are you allowed to use a calculator? Because then its easy

  10. anonymous
    • one year ago
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    Nvm found it out, 0.125.

  11. anonymous
    • one year ago
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    Ok, perfect! So now all the brackets are gone you can start applying the exponents that were outside

  12. anonymous
    • one year ago
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    Right now we are still keeping the terms seperated

  13. anonymous
    • one year ago
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    So what would the next step be? Do I do 70^2?

  14. anonymous
    • one year ago
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    no you multiply the whole fraction by itself for 70/21

  15. anonymous
    • one year ago
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    since its to the power of 2

  16. anonymous
    • one year ago
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    So 70/21 times 70/21

  17. anonymous
    • one year ago
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    Oh okay. I got 11.1111.. when putting it in a calculator

  18. anonymous
    • one year ago
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    right. this is the same as the fraction 11 1/9 by the way.

  19. anonymous
    • one year ago
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    So now you do the same with the next one

  20. anonymous
    • one year ago
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    Only of course, to the power of 3 this time

  21. anonymous
    • one year ago
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    512

  22. anonymous
    • one year ago
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    yes!

  23. anonymous
    • one year ago
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    Then the last ones fairly simple. just simplify

  24. anonymous
    • one year ago
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    Yeah, 0.001953125

  25. anonymous
    • one year ago
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    At this stage you should have this: \[11 \frac{ 1 }{ 9 } \times 512 \times \frac{ 1 }{ 512}\] 1/512 is the same as what you got, just put into a fraction to make it easier to write out

  26. anonymous
    • one year ago
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    so now you just multiply. Again a calculator makes this quick if you are allowed one

  27. anonymous
    • one year ago
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    I got 11 over 9

  28. anonymous
    • one year ago
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    11 over 9?

  29. anonymous
    • one year ago
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    when I do it I get 11 and 1 over 9

  30. anonymous
    • one year ago
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    Can you explain what you did to get your answer?

  31. anonymous
    • one year ago
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    I just put 11 and 1 over 9 * 512 * 1 over 512 into the calculator and that's what it gave me

  32. anonymous
    • one year ago
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    try making 11 and 1 over 9 into an improper fraction

  33. anonymous
    • one year ago
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    this time it just came out as 100 over 9

  34. anonymous
    • one year ago
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    Right! Isn't that one of the answers?

  35. anonymous
    • one year ago
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    Oh yeah! Thank you

  36. anonymous
    • one year ago
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    You are welcome!

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