What is the sum of the first 10 terms of the sequence 2, 6, 18,54...?

Mathematics

1 answer:

leonid [27]3 years ago

4 0

Answer:

This is a sequence where you multiply that number 3 times. For example, 2 x 3 = 6. 6 x 3 = 18. 18 x 3 = 54 and so on. Therefore, multiplying 3 by the number is the Answer.

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Step-by-step explanation:

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The population of a city has decreased by 38% since it was last measured. If the current population is 27,900, what what the pre

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Answer:

The population of a city has decreased by 38% since it was last measured. If the current population is 27,900 .Previous population of city was 45000.

Solution:

Given that current population of city is 27900.

Also, population of a city has decreased by 38% since it was last measured.

Let assume that population of city when it was last measured = x

Decreased of 38% means x-38% of x . we can write this as,

$=x-\frac{38}{100} \times x$