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anonymous

  • one year ago

what is 80.945 rounded to the nearest tenth?

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  1. anonymous
    • one year ago
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    @Zedditup

  2. mathstudent55
    • one year ago
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    |dw:1438107386854:dw|

  3. anonymous
    • one year ago
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    it would be 81

  4. mathstudent55
    • one year ago
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    Which digit, 8, 0, 9, 4, 5 is the tenth place?

  5. stevetron
    • one year ago
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    81

  6. anonymous
    • one year ago
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    @Zedditup

  7. Vocaloid
    • one year ago
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    it's definitely not 81...

  8. mathstudent55
    • one year ago
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    81 is incorrect.

  9. anonymous
    • one year ago
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    its definitly 81

  10. mathstudent55
    • one year ago
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    @katieloveslife Which of all the digits in the number is the tenths digit?

  11. anonymous
    • one year ago
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    .9

  12. stevetron
    • one year ago
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    9 is

  13. mathstudent55
    • one year ago
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    |dw:1438107479350:dw|

  14. anonymous
    • one year ago
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    yep

  15. stevetron
    • one year ago
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    no

  16. anonymous
    • one year ago
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    so it would stick as 80?

  17. stevetron
    • one year ago
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    81

  18. mathstudent55
    • one year ago
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    @katieloveslife Look above. Which digit is the tenths digit? The 9, the 4, or the 5?

  19. anonymous
    • one year ago
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    9

  20. stevetron
    • one year ago
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    5 or more go up 4 or less stay the same

  21. mathstudent55
    • one year ago
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    Correct. Since we are rounding tot eh nearest tenth, we must keep the 9.

  22. stevetron
    • one year ago
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    the 9 is!!!

  23. mathstudent55
    • one year ago
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    |dw:1438107586329:dw|

  24. anonymous
    • one year ago
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    sorry i writeing another q

  25. stevetron
    • one year ago
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    its 81

  26. anonymous
    • one year ago
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    ok thanks

  27. mathstudent55
    • one year ago
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    Since the digit after the 9 is 4, and 4 is from 0 to 4, the previous digit (the 9) does not go up by 1, so the 9 stays as 9.

  28. mathstudent55
    • one year ago
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    |dw:1438107641075:dw|

  29. anonymous
    • one year ago
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    i am confused who do i listen to?

  30. stevetron
    • one year ago
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    i guess him

  31. Vocaloid
    • one year ago
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    80.9 is correct "round to the nearest tenth" means look at the tenths digit, then look at the digit right after it to decide where to round

  32. mathstudent55
    • one year ago
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    @katieloveslife I hate to do this, but look in my profile, and see if you can trust my answer.

  33. stevetron
    • one year ago
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    i still think 81

  34. stevetron
    • one year ago
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    ok go with his answer

  35. mathstudent55
    • one year ago
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    81 is rounded to the nearest unit, or one. The question is round to the nearest tenth, not nearest one.

  36. stevetron
    • one year ago
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    ok

  37. anonymous
    • one year ago
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    ok

  38. anonymous
    • one year ago
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    one more?

  39. mathstudent55
    • one year ago
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    sure

  40. anonymous
    • one year ago
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    round the nearest number to the thousandths place 64,672.318498?

  41. anonymous
    • one year ago
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    @Zedditup

  42. mathstudent55
    • one year ago
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    Once again, the first step is to determine which digit is in the thousandths place.

  43. mathstudent55
    • one year ago
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    64,672.318498 ^ ten thousands place 64,672.318498 ^ thousands place 64,672.318498 ^ hundreds place

  44. anonymous
    • one year ago
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    ??????????????????????????? i dont know this one.

  45. mathstudent55
    • one year ago
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    64,672.318498 ^ tens place 64,672.318498 ^ ones place 64,672.318498 ^ tenths place

  46. mathstudent55
    • one year ago
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    64,672.318498 ^ hundredths place 64,672.318498 ^ thousandths place

  47. anonymous
    • one year ago
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    8

  48. anonymous
    • one year ago
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    So it would be 81

  49. mathstudent55
    • one year ago
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    To figure out what place a digit is, always start at the digit just to the left of the decimal point. That is always the ones digit.

  50. anonymous
    • one year ago
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    so is it 9?

  51. anonymous
    • one year ago
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    no it would be 81 im pretty sure

  52. mathstudent55
    • one year ago
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    Then each digit to the right is 10 times smaller, tenths, hundredths, thousandths, etc. Each digit tot eh left of the one place is 10 times larger, tens, hundreds, thousands, etc.

  53. anonymous
    • one year ago
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    what do metals do?

  54. mathstudent55
    • one year ago
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    |dw:1438108482645:dw|

  55. mathstudent55
    • one year ago
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    We need the thousandths digit, so we go to the right one digit at a time.

  56. mathstudent55
    • one year ago
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    |dw:1438108557959:dw|

  57. anonymous
    • one year ago
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    ok

  58. mathstudent55
    • one year ago
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    Now we know the 8 is the thousandths place. Since we are rounding tot he nearest thousandth, we get rid of everything to the right of the thousandths digit.

  59. mathstudent55
    • one year ago
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    |dw:1438108668934:dw|

  60. mathstudent55
    • one year ago
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    We look at the first digit to the right of the 8. It was a 4. Since 4 is from 0 to 4, we do not add 1 to the 8, so the final answer is: |dw:1438108746655:dw|

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