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An unknown radinactive element decays into nun-radioactive substances. In 331:} days the radioactivity of a sample decreases by 52 percent. {3.} W11 at is the
An unknown radinactive element decays into nun-radioactive substances. In 331:} days the radioactivity of a sample decreases by 52 percent. {3.} W11 at is the half-life of the element.1 Us] Haw lung will it take for a. sample of III! mg to: decay.r to 53 mg? Question Help: E Message instructor"
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