3. The approximate mass of a hydrogen atom is 1.7 X 10-24 grams. The mass of a single lead atom is approximately 3.4 x 10-22 grams. How many times heavier is a lead atom than a hydrogen atom? A. 5 times heavier
B. 20 times heavier
C. 50 times heavier
D. 200 times heavier​

What is the best reason for jacinta to have a savings account in addition to a checking account

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

Drag each tile to the correct box. not all tiles will be used. consider the recursively defined function below. create the first five terms of the sequence defined by the given function