What is the mass of 75,000 oxygen molecules? Express your answer in scientific notation.

Mass of one molecule of
oxygen
5.3 x 10-23 gram

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?