Help? An atom of hydrogen has a mass of about 1.66 x 10-25 grams. An atom of oxygen has a mass of about 2.656 x 10-23 grams. How many times the mass of the hydrogen atom is the mass of the oxygen atom? Give your answer in scientific notation.

Consider the graph of the exponential function y=3(2)×

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.