Question

Half life radium 1600 yr how many years will 1 g of pure element lose 1 centigram

Answer 1

Answer:

10630.17 years

Explanation:

1 centigram =0.01g

Remainder=Original (1/2)^n

Where n is number of half lives

0.01=1(1/2)^n

1/100=1/2^n

2^n=100

nLog2=Log100

n=6.644 half lives

1600*6.664=10630.17 years

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