This means that 6 hours later, half of the medication will be consumed, leaving half remaining, at 5mg. It represents the Greek letter “Λ” (lowercase “λ”), and is a radioactive decay constant used in the half-life equation. The Lambda logo (λ) is a symbol found frequently in the Half-Life universe. The amount y that remains after t days of the half– life is then represented by 0.5a. To determine the constant k for each element, let a be the initial amount of the substance. The equations will be of the form y = ae–kt, where t is in days. How can you increase the half-life of a drug?.How many half-lives does it take to clear a drug?.What is the percentage of original radioactive?.What percentage of original radio active atoms is left after five half lives 20%?.What percentage of radioactive material will be left after 4 half lives?.Does a shorter half-life mean more radioactive?.
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