6. -12 points SerPSE9 1 P 035 My NotesAsk Your Tea 0 A rectangular plate has a l

Question

6. -12 points SerPSE9 1 P 035 My NotesAsk Your Tea 0 A rectangular plate has a length of (18.1 ± 0.2) cm and a width of (9.1 ± 0.1) cm. Calculate the area of the plate, including its uncertainty. cm2 Need Help? ResdIt -4 points SerPSE9 1 .P036.WI. My Notes Ask Your How many significant figures are in the following numbers? (a) 340.0 0.4 (b) 4.000 x 101 (c) 4.832 x 106 (d) 0.0065 Need Help?Read ItWatch t 8. 01 points | Previous Answers SerPSE9 1.P.037 My Notes Ask Your Tea The tropical year, the time from vernal equinox to the next vernal equinox, is the basis for our calendar. It contains 365.242199 days. Find the number of seconds in one half of a tropical year. Activate Windows Go to Settings to activate Windows |47335388 99 IX Your response differs from the correct answer by more than 100%. S

Explanation / Answer

A = lw

A = (l ± dl)(w ± dw)

A = lw ± ldw ± wdl ± dldw

A = 18.1*9.1 ± 18.1*0.1 ± 9.1*0.2 ± 0.2*0.1

A = 164.71 ± 1.81 ± 1.82 ± 0.02

A = 164.71 ± 3.65 cm2

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