Polonium-210 is a radioactive substance with a half-life of 138 days. If a nuclear facility is handling 190 grams of polonium-210, then how many grams of polonium-210 will be left in 230 days.

We have been given that Polonium-210 is a radioactive substance with a half-life of 138 days. A nuclear facility is handling 190 grams of polonium-210. We are asked to find the grams of polonium-210 will be left in 230 days.

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

, where,

= Final amount,

= Initial amount,

t = Time,

h = Half life.

Upon substituting our given values in half-life formula, we will get:

To find the grams of polonium-210 will be left in 230 days, we will substitute in our formula as:

Upon rounding to nearest hundredth, we will get:

Therefore, approximately 59.85 grams of polonium-210 will be left in 230 days.

maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

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