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Evaluate ar $^{n}$ for the given values of $a, r,$ and $n$$$a=4, r=\frac{1}{2}, n=3$$
$\frac{1}{2}$
Precalculus
Chapter 14
Sequences and Series
Section 2
Arithmetic Sequences
Introduction to Sequences and Series
Introduction to Combinatorics and Probability
Johns Hopkins University
Piedmont College
Boston College
Lectures
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we're being asked to find the value of the expression. Eight times are to the end power when a is equal before R is equal to one half and and is equal to three. So all we need to dio is substitute these three values into our expression. So when we do that, we have four times one half raised to the third power and now we just follow the order of operations. So first we have to take care of our exponents. So we have one half raised to the third power which is equal 1/8. So we're left with four times 1/8. Well, four times 1/8 is equal to a half. Perfect now were evaluated, so the value of eight times are to the end. For the particular a r n n values is equal to one half
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