Mathematics, 27.07.2019 07:30 swtnru4509
Graziano predicted that he would sell 420 tablecloths. he actually sold 520 tablecloths. what are the values of a and b in the table below? round the answer to the nearest tenth. percent error item approximate value exact value error absolute error ratio percent error tablecloths 420 520 a b
Answers: 1
![\text{Percent error}=\frac{\text{Absolute erroe}}{\text{Actual value}}\times100\\\\\Rightarrow\text{Percent error}=\frac{100}{520}\times100\\\\\Rightarrow]\text{Percent error}=19.23\%](/tpl/images/0137/9977/bb33b.png)
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Graziano predicted that he would sell 420 tablecloths. he actually sold 520 tablecloths. what are th...
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