Answer:
During nuclear fission and fusion matter that seems to disappear but is actually converted into energy. The amount of energy (E) produced in such a reaction can be calculated using Einstein's formula for the equivalence of mass and energy: E = mc^2.
Explanation:
Counting gives an exact number and exact numbers have infinite sig figs.
Answer:
B
Explanation:
bias is when you want something to be true so you might ignore evidence to make your conclusion what you want it to be.
Atomic mass=no of neutron+no of electron
Atomic mass=25+30
Atomic mass=55
