Question

The amount of a radioactive material (having a half-life of 100 years) remaining after 400 years will be __________ of its original weight.

a.

0.5

b.

0.25

c.

1/8

d.

1/16

Answer: (d).1/16

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Q. The amount of a radioactive material (having a half-life of 100 years) remaining after 400 years will be __________ of its original weight.

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