A Piece of Cloth Is Dated Using Carbon-14

question 7

Multiple Choice

A piece of cloth is dated using carbon-14.The cloth is determined to be 1400 years old.The half-life of C-14 is 5730 years.The C-14 radioactivity in the cloth will be ________ the radioactivity in a new cloth.

• A)greater than
• B)the same as
• C)less than
• D)Radioactivity cannot be predicted from the above information.

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