Mathematics, 05.05.2020 10:29 valeriekbueno
A radioactive element decays at a rate of 5% annually. There are 40 grams of the substance present. • How much of the substance remains after 30 years (to the nearest tenth)? • When will the amount of the substance drop to below 20 grams (to the nearest year)?
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Mathematics, 21.06.2019 18:30
The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude
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Mathematics, 21.06.2019 20:00
How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.
Answers: 1
A radioactive element decays at a rate of 5% annually. There are 40 grams of the substance present....
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