Find the absolute and percent relative uncertainty and express each answer with a reasonable amount of significant figures. Give the algebraic answer, absolute error, and relative error of each.

A.[ 3.1(plus/minus 0.3) - 1.4 (plus/minus 0.1)]/8.45 (plus/minus 0.6)
B. 9.2 (plus/minus 0.7)x ([5.4(plus/minus 0.3) x 10^-3] + [5.6 (plus/minus 0.1)x 10^-3])

Question

Find the absolute and percent relative uncertainty and express each answer with a reasonable amount of significant figures. Give the algebraic answer, absolute error, and relative error of each.

A.[ 3.1(plus/minus 0.3) - 1.4 (plus/minus 0.1)]/8.45 (plus/minus 0.6)
B. 9.2 (plus/minus 0.7)x ([5.4(plus/minus 0.3) x 10^-3] + [5.6 (plus/minus 0.1)x 10^-3])

aaronq · Answer

use the formulas (which are probably in the Appendices of your lab manual or book).