If X represents the half-life of potassium-40 and Y represents the half-life of carbon-14, write an expression that correctly compares the 2 half-life

Here is the half-life table:

Mitochondria produce atp, a high energy compound. atp is used for all sorts of enzyme-mediated reactions, such as making proteins/nucleotides/etc, certain compounds cross the cell membrane, muscles move, etc.  without this source of energy, a cell will die. it will not be able to repair itself, defend against pathogens, etc.