Please help with my homework about bedbugs!

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.

What’s the theoretical yield of solid lead