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29 October, 07:51

Estimate the quotient. Explain how u got your answer 77.5:10.2

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  1. 29 October, 07:54
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    Divide 77.5 by 10 = 7.75

    Since we divide by 10.2 (and not 10), we * * subtract * * 2% of 7.75, which is about 0.155 to give 7.595. (error=-0.04%)

    You can also simplify a little by approximating 2% of 7.75 as 0.15 to give 7.6 as your estimate. (error=+0.026%)

    exact value = 7.598 ...
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