There is much folklore regarding the purchase of an island in 1626 from a Native American tribe.​ Let's assume that the purchase price was ​$24. If that amount were placed in an account paying 4​% annual interest and allowed to compound annually until 2021​, how much would be in the​ account?

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A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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A: We have to evaluate by Green's theorem.

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A: Let us give three different examples of radical numbers in the next step.

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Q: 1-Determine if W is a subspace of Mnn CEMnn, W = {A€Mn: CA°C1 = A} %3D

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A: Follow the steps.

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