4 sig fig in that expression
EVERY YEAR, NIKON <span>selects the most artful, scientifically enlightening and skillfully produced images from thousands of submissions for its </span>Small World<span> microscope photography contest. Tomorrow, another set of impressive winners will be announced for the contest’s 40th year.</span>
No. The number of a protons is not equal to it's atomic weight, instead it is equal to the 'atomic number'
