After measuring the mass of a slice of a potato a student used a hairdryer to remove all the moisture from the slice then the student measured the dry mass of the same slice of potato the student determine the path that the potato or 40% water how could the student Replicate this experiment

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit