After one day, `90%` radioactive sample is found. What percent of the original sample can be found after 2 days?
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Q 1241880723.
After one day, `90%` radioactive sample is found. What percent of the original sample can be found after 2 days?
A
`45%`
B
`64%`
C
`81%`
D
`72%`
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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)
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