If it takes 12.8 years for 87.5% of bismuth-209 in a sample to decay, how long...

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If it takes 12.8 years for 87.5% of bismuth-209 in a sample to decay, how long will it take for 0.48 g of bismuth-209 to deca

Answer 1

Answer #1

t-12.8 X0189 88 years o.go3 += 2.7 years option (d) Ang

Answer 2

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