Explain rubidium-87 decays by beta decay with a half-life

Reference no: EM13240419

Rubidium-87 decays by beta decay with a half-life of 4.9 x 10^10 yr. How many 87Rb atoms are in a moon rock sample that has a rubidium decay rate of 3500 disintegrations per hour

Reference no: EM13240419

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