How much time will have passed by the time a sample of an isotope has decayed to 6.25% of its original mass if the half-life is 15 days?

15 percentage is the best answer

a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be?

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answer: i think he can see forward ten seconds and move forward ten seconds but giorno can undo his actions with ger.

explanation: