i have these two question i need help(adsbygoogle = window.adsbygoogle || []).push({});

1. given y=3x^{2}find the percentage error in y if there is a 3.5% in the calculation of x

2. the volume of a sphere is give by V= 4/3 pie r^{3}. find the percentage error in the volume when there is a 2% error in the radius

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# Percentage uncertainty

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