Ify Increasing Life accuracy. Cilallge A, Dack 10 15.0 CIII. Ify Increasing wife Hillier Of beguileits 10 20. Silice you have more segments, you'll need to copy the formulas down further to cover the entire rod. You'll also need to change the range of the "SUM" formula in cell Bl1 to include the additional cells. Is your answer more accurate than before? Keep increasing the number of segments until your answer agrees with the exact answer to 3 significant figures. About how many segments / do you need to use to get agreement to 3 sig figs? number of segments n =