what are the errors in the measured values g=9.910 m/s^2 amd 9.805? true value 9.797 for 9.910 i got 0.113 and for 9.805 i got 0.008. i know i need for significant figures but i got three in my answer. so what do i do?

Answer 1

When you determine s.f. in subtraction (and addition), you are allowed places to the right of the decimal that equals the least precise value. In this case you are allowed 3 places and you have 3 places. You can't have 4. Your answers are right.