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Wittaler [7]
3 years ago
13

5+5times8+9-10times 100

Mathematics
2 answers:
ivanzaharov [21]3 years ago
4 0
5 + 5 = 10

8 + 9 = 17

17-10 = 7




10 x 7 = 70

70 x 100 = 7,000 [Answer]


marta [7]3 years ago
3 0
5+5=10 10x8+9=17-10=7 so the equation is:
10x7=70x100=7000
So your answer is 7000.



















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we have been asked to find the sum of the series

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As we know that a geometric series has a constant ratio "r" and it is defined as

r=\frac{a_{n+1}}{a_n}=\frac{\left(\frac{1}{3}\right)^{\left(n+1\right)-1}}{\left(\frac{1}{3}\right)^{n-1}}=\frac{1}{3}

The first term of the series is a_1=\left(\frac{1}{3}\right)^{1-1}=1

Geometric series sum formula is

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Plugin the values we get

S_5=1\cdot \frac{1-\left(\frac{1}{3}\right)^5}{1-\frac{1}{3}}

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