Consider the following series. [infinity] n + 4 n2 n = 1 The series is equivalent to the sum of two p-series. Find the value of p for each series. p1 = (smaller value) p2 = (larger value) Determine whether the series is convergent or divergent.

Need on this one asap im almost done with this subject

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Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.