Answer:
.574
Explanation:
smallest number of digits in the expression was 3, so the final answer should have 3 sig figs
there needs to be more info
Proton is a nucleon with a positive charge in the center of the atom, neutrons are nucleons which are also in the nucleus, or center of the atom and have no charge. Both protons and neutrons have a mass of 1 atomic mass unit (amu). Electrons are negatively charged and orbit the nucleus and have a mass of 1/1836 amu which is much less then the nucleons
It is a chemical change<span> because there is a breaking of an ionic bond between </span>