The Half-Life of Iodine-135 Is 8 Days

question 298

Multiple Choice

The half-life of Iodine-135 is 8 days. A 121-gram sample of Iodine-135 is monitored for one month. Assuming there are 30 days in the month how many grams of Iodine-135 are left after 1 month (rounded to the nearest hundredths) ?

• A) 0.47
• B) 8.99
• C) 110.96
• D) 60.50
• E) 100.58

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