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The Formula M=3.5(0.5)^(t)/(8) Gives the Mass,m Milligrams, of Radioactive Iodine in a Sample T Days After the Initial Measurement

Question

The formula m=3.5(0.5)^(t)/(8) gives the mass,m milligrams, of radioactive Iodine in a sample t days after the initial measurement Determine the mass of radioactive Todine after each number of days. a) 2 days b) 4 days c) 16 days

Solution

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Answer

### a) 2.943 mg### b) 2.475 mg### c) 0.875 mg

Explanation

## Step 1: Calculate the mass after 2 days### Substitute into the formula . ## Step 2: Calculate the mass after 4 days### Substitute into the formula . ## Step 3: Calculate the mass after 16 days### Substitute into the formula .