16 grams of radioactive material decays into 8 grams in 10
years. How long will it take to decay to 1 gram?
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Answer Posted / kishan trambadiya
16 gms to 8 gms in 10 years
8 gms to 4 gms in 10 years {again}
4 gms to 2 gms in 10 years
2 gms to 1 gm in 10 years
So, It will take {10+10+10+10=40} 40 years
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