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26 October, 22:59

Work out an estimate for square root of 4.92 + 2.18 x 7.31

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  1. 26 October, 23:19
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    4.5.

    Step-by-step explanation:

    4.92 + 2.18 x 7.31

    = approximately 5 + 2 * 7.5

    = 20

    Now 4.5 * 4.5 = 20.25 so:

    The estimate for the square root is 4.5.
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