If he is 4 now is in 10 years he will be 14 and if you multiply that by 2 you get 28 which means in 10 years Marie will be 28 so that means if you take away 10 the answer should be 18 but that isn't there but that's how I would work it out.
Considering the definition of percentage by mass, the sample of pure lithium nitrate contains 7.99% lithium by mass.
<h3>Definition of percentage by mass</h3>
The percentage by mass expresses the concentration and indicates the amount of mass of solute present in 100 grams of solution.
In other words, the percentage by mass of a component of the solution is defined as the ratio of the mass of the solute to the mass of the solution, expressed as a percentage.
The percentage by mass is calculated as the mass of the solute divided by the mass of the solution, the result of which is multiplied by 100 to give a percentage. This is:

<h3>This case</h3>
Because percent by mass indicates the ratio of solute to solution based on mass, if the sample has twice the mass of the first sample, the ratio remains constant.
So the percentage by mass is the same.
That is, the sample of pure lithium nitrate contains 7.99% lithium by mass.
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The list is the best data validation that you should use if you want to restrict the values to a specific set.
<h3>What is data validation in a spreadsheet?</h3>
This is a feature in a spreadsheet such as excel that helps to control the entries that the users are allowed to input in a cell.
You can use this excel feature to ensure that a value is a number that is between 1 and 5.
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<u>Complete question:</u>
You want to restrict the values entered in a cell to a specified set, such as hop, skip, jump. Which type of data validation should you use?
database
list
input range
custom
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Two movies or books in which the number pi plays an important part in the story is American Pie and Hidden figures.
<h3>Who is Pi in the story?</h3>
The term Pi connote Piscine Molitor Patel (Pi). The Piscine is known to be the narrator for almost all part of the story or novel.
Conclusively, The account given by it is one that is composed of the majority or the the bulk of the story.
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Answer:
Prevent its currency from losing value too quickly.
Explanation: