The isotope lead-208 (208Pb):
The isotope strontium-87 (878r)
g/mol
g/mol

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.

Steve had 48 chocolates but he decided to give 8 chocolats to each of his f coworkers. how many chocolates does steve have left

Will positive numbers always have a higher absolute value than negative numbers?