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The Radioactive Bismuth Isotope 210 Bi Has a Half-Life

Question 134

Multiple Choice

The radioactive bismuth isotope 210 Bi has a half-life of 5 days. If there is 100 milligrams of 210 Bi present at t = 0, then the amount f(t) remaining after t days is given by: The radioactive bismuth isotope <sup> 210 </sup>Bi has a half-life of 5 days. If there is 100 milligrams of <sup>210 </sup>Bi present at t = 0, then the amount f(t) remaining after t days is given by: How much <sup>210 </sup>Bi remains after 25 days? A) 3.125 milligrams B) 12.125 milligrams C) 5.125 milligrams D) 8.125 milligrams E) 2.125 milligrams How much 210 Bi remains after 25 days?


A) 3.125 milligrams
B) 12.125 milligrams
C) 5.125 milligrams
D) 8.125 milligrams
E) 2.125 milligrams

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