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spayn [35]
3 years ago
11

There are (49)5 ⋅ 40 books at the library. What is the total number of books at the library?

Mathematics
1 answer:
ANTONII [103]3 years ago
7 0
(4^9)5 X 4^0
4^9 is 262,144 x 5 = 1,310,720
1,310,720 x 1 = 1,310,720
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This is a compound interest problem, therefore s(t) should be in the form:
s(t) = a(r)^{t}

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Now, we can calculate r:
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r =  \sqrt[t]{ \frac{s}{a} }
r = \sqrt[5]{ \frac{560.50}{245} }
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Therefore, the correct answers are a = 245 and r = 1.18

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