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math

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Use a calculator and systematic trial to approximate each square root to 2 decimal places. SHow your work.
a) square root of 20=
B) Square root of 55=
c)square root of 115=
What would systematic trial mean and what do they mean by approximate each square root to 2 decimal places?? plz help!! thx:)

  • math - ,

    helpp plz

  • math - ,

    I don't know exactly what a systematic trial is here -- but it seems to me that you simply find the square root of these numbers and then round to the nearest hundredth.

    Example:
    square root of 20 = 4.472 = 4.47

  • math - ,

    exactly what Ms. Sue said square root of 20 is 4.472135 round that to 4.47. What perfect square is closest to 20. Like 4 squared is 16, 5 squared is 25. 16 IS CLOSER SO it will be more likely closer to 4 than 5 i dk if you are talking about this. Also think about your decimals, if you know it is not a perfect square think of a decimal which will multiply or square and give you a number which you will know when you add to four, the whole answer will be 20

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