Tungsten, w-181 is a radioactive isotope with a half life of 121 days. if a medical lab purchase 24 kg of w-181 how much will be left after 1 year?

2.97 kg.

Step-by-step explanation:

We have been given that Tungsten, W-181 is a radioactive isotope with a half life of 121 days.

We will use half-life formula to solve our given problem.

, where,

A = Final amount.

a = Initial amount,

t = Time,

h = Half life.

Upon substituting our given values in above formula we will get,

Therefore, 2.97 kg of W-181 will be left after 1 year.

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step-by-step explanation:

hi,

you half the rectangle that you ae asking about so then you would see the scale factor of 1/2 the one u have selected, the one on top is half.

hope this !