Answer
(a) 0.501 %
(b) 3.125 %
Work Step by Step
(a) $$percent \space error = \frac{|0.798 - 0.802|}{|0.798| }\times 100\%$$ $$percent \space error = 0.501 \%$$
(b) $$percent \space error = \frac{|0.864 - 0.837|}{|0.864| }\times 100\%$$ $$percent \space error = 3.125 \%$$
