What is the average density of the Earth's inner core? A. 10 g/cm 3
B. 20 g/cm 3
C. 15 g/cm 3
D. 5.4 g/cm 3

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.