Question

The measurement of the width of a garden plot is 44 m. Its actual width is 45.5 m.

Answer 1

When you calculate results that are aiming for known values, the percent error formula is useful tool for determining the precision of your calculations. The formula is given by: The experimental value is your calculated value, and the theoretical value is your known value.

% error = | ( experimental – theoretical) / theoretical | * 100

% error = | (44 – 45.5) /45.5| * 100

% error = 3.30 %