To keep from surrendering its prey, a cheetah avoids other predators by hunting during the day, hiding while it eats, and devouring its kill as quickly as possible.Cheetah cubs, especially in the first few weeks after birth, have a mortality rate of up to 90 percent.
Definition of superscript. : a distinguishing symbol (as a numeral or letter) written immediately above or above and to the right or left of another character.
Answer Wiki. The answer is: Whatever the author wants! There are some conventions that most mathematicians follow - such as a subscript denoting a Tensor in a Physics derivation, or in Numerical Solutions a subscript usually denotes the spatial-step and the superscript the time-step.