Question

find the percentage error in z
(a) percentage error in a=1% b=2%
z= a^2b^3
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Answer 1

Answer:

z = a² * b³

Percentage error of a is 1% and b is 2% so, multiply the power with the error and add it.

z = 2*1 + 3*2

z = 2 + 6

z = 8%

Hope this helps you.