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anonymous

  • one year ago

A square has a side of 6.25 feet. What is the area in square feet? Round to the correct significant digits. Answer for Blank 1:

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  1. SolomonZelman
    • one year ago
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    if a square has a side of S, then it's Area A is: A=S²

  2. anonymous
    • one year ago
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    Can you help me work it out I am really confused.

  3. anonymous
    • one year ago
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    |dw:1437593371140:dw|

  4. SolomonZelman
    • one year ago
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    Yes, (6.25)² is your area

  5. SolomonZelman
    • one year ago
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    you can use a calculator

  6. anonymous
    • one year ago
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    Okay, so then it would be 39.0625?, correct.

  7. SolomonZelman
    • one year ago
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    yes, that is correct.

  8. SolomonZelman
    • one year ago
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    And then you have to round to some number of significant digits (this number is not mentioned by you in the thread - however, if you are confident that you got the rounding part yourself, then it is not a problem.)

  9. anonymous
    • one year ago
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    Okay i am confused on that part "Round to the correct significant digits"

  10. anonymous
    • one year ago
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    So like is it 39?

  11. anonymous
    • one year ago
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    Is it correct?

  12. SolomonZelman
    • one year ago
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    Oh, i think you have to make it the same number of significant digits as the side of your square.

  13. SolomonZelman
    • one year ago
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    (i.e. 3 significant digits)

  14. anonymous
    • one year ago
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    I am still confused ●︿●

  15. SolomonZelman
    • one year ago
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    How many significant digits is there in "6.25" ?

  16. anonymous
    • one year ago
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    3?

  17. SolomonZelman
    • one year ago
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    yes

  18. SolomonZelman
    • one year ago
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    so round 39.0625 to 3 significant digits.

  19. anonymous
    • one year ago
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    So thats the answer? "3"

  20. anonymous
    • one year ago
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    OH OK

  21. anonymous
    • one year ago
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    39.1?

  22. SolomonZelman
    • one year ago
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    yes! 39.1 square feet

  23. anonymous
    • one year ago
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    (◠‿◠✿) thank you!

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