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Estimate V130 to the nearest integer.

User RockyFord
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7 votes

Answer:


\large\boxed{√(130)\approx11}

Explanation:


√(a)=b\iff b^2=a\\\\11<√(130)<12\\\\\text{because}\ 11^2=121<130\ \text{and}\ 12^2=144>130\to121<130<144.\\\\\text{We calculate the difference to check closer to which number a given root is}\\\\130-121=9\\144-130=14\\\\\text{closer to 11}

User Andrew Wonnacott
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