Ascientist estimated that a mixture would need 4 milliliters of a chemical to balance. the actual amount needed was 7 milliliters. what was the percent error of the scientist's estimation?

The percent error of scientist estimation is 42.85 %

Solution:

Percent error is the difference between a measured and known value, divided by the known value, multiplied by 100%.

Percentage error is a measurement of the discrepancy between an observed and a true, or accepted value.

The actual amount needed was 7 milli liters and the estimate was 4 milli liters

Plugging in the values in above formula, we get

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