A radioactive isotope of the element osmium Os-182 has a half-life of 21.5 hours. This means that if there are 100 grams of Os-182 in a sample, after 21.5 hours, there will only be 50 grams of that isotope remaining.
a. Write an exponential decay function to model the amount of Os-182 in a sample over time. Use Ag for the initial amount and A for the amount after time t in hours.
(Type an exact answer. Use integers or decimals for any numbers in the equation.)

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )

the answer is 1 becuz if it were 1.0 that would rip apart the entire so ya. : )

~potato.

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