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Estimating Irrational Square Roots

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  • What is the closest integer to √572.95?
    24 (actual answer is 23.9363739944)
  • What is the closest integer to √629.5?
    25 (actual answer is 25.0898385806)
  • What is the closest integer to √10?
    3 (actual answer is 3.1622776602)
  • What is the closest integer to √51?
    7 (actual answer is 7.1414284285)
  • What is the closest integer to √35?
    6 (actual answer is 5.9160797831)
  • What is the closest integer to √837.9?
    29 (actual answer is 28.9465023794)
  • What is the closest integer to √66?
    8 (actual answer is 8.1240384046)
  • What is the closest integer to √18?
    4 (actual answer is 4.2426406871)
  • What is the closest integer to √2?
    1 (actual answer is 1.4142135624)
  • What is the closest integer to √280?
    17 (actual answer is 16.7332005307)
  • What is the closest integer to √678.91?
    26 (actual answer is 26.0559014429)
  • What is the closest integer to √230?
    15 (actual answer is 15.1657508881)
  • What is the closest integer to √720.12?
    27 (actual answer is 26.8350517048)
  • What is the closest integer to √97?
    10 (actual answer is 9.8488578018)
  • What is the closest integer to √393?
    20 (actual answer is 19.8242276016)
  • What is the closest integer to √190?
    14 (actual answer is 13.7840487521)
  • What is the closest integer to √363?
    19 (actual answer is 19.0525588833)
  • What is the closest integer to √249?
    16 (actual answer is 15.7797338381)
  • What is the closest integer to √483.1?
    22 (actual answer is 21.9795359369)
  • What is the closest integer to √115?
    11 (actual answer is 10.7238052948)
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