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anonymous

  • one year ago

A rectangle has a length of 9.00 inches and a width of 4.25 inches. What is the area in square inches? Round to the correct significant digits.

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  1. anonymous
    • one year ago
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    The area of a rectangle is just \(\huge l*w\). If \(l=9.00\) and \(w=4.25\), then the area of the rectangle is \(\huge 9.00*4.25=?\).

  2. anonymous
    • one year ago
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    i know that but i got it wrong because i dont know how to round it

  3. anonymous
    • one year ago
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    If you know it, what is it? :)

  4. anonymous
    • one year ago
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    38.25

  5. anonymous
    • one year ago
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    but how do you round the significant digits?

  6. anonymous
    • one year ago
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    Okay, so to round it up, notice that both have three significant digits. So your answer must also have three significant digits.

  7. anonymous
    • one year ago
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    \(\huge 38.25\) has four significant digits. You want three, so you will round it to the nearest tenths.

  8. anonymous
    • one year ago
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    so its 38.3?

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spraguer (Moderator)
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