Question A 25 gram sample of a substance that's used for drug research has a k-value of 0.1208.
Find the substance's half-life, in days. Round your answer to the nearest tenth.

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

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Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?