The stock price of one share in a certain company is worth $360 today. A stock analyst believes that the stock will lose 28 percent of its value each week for the next 3 weeks. The analyst uses the equation V=360(r)^t to model the value, V, of the stock after t weeks. What value should the analyst use for r?

r = 72% = 0.72

Step-by-step explanation:

This case is a compound interest case. But the interest is accumulated negatively every week.

Total Amount Compounded with compound interest is calculated as

A = P (1 + r)ᵗ

P = principal/initial amount invested = $360

r = rate of increase weekly = -28% = - 0.28

t = time period that passes = t

A = 360 (1 - 0.28)ᵗ

A = 360 (0.72)ᵗ

Hope this Helps!!!

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15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)