Question:
4 The mean lives of a radioactive substance are 1620 year
Last updated: 7/4/2023
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4 The mean lives of a radioactive substance are 1620 year and 405 year for alpha emission and beta emission respectively what the time during which th of a sample will decay if it is decaying both by alpha emission and beta emission simultaneously W A 470 45 year B 449 24 year C 269 57 year D 345 56 year O A B O C D