Here we answer many questions about the sequence 31, 93, 279, 837... What type of sequence is 31, 93, 279, 837? What is the next number in the sequence 31, 93, 279, 837? What is the nth number in the sequence 31, 93, 279, 837? What is the sum of the first 10 terms in the sequence 31, 93, 279, 837? What is the sum of the first n numbers in the sequence 31, 93, 279, 837?
In addition, we will also give you the formula that is used to calculate the next number or the nth number in 31, 93, 279, 837, and the formula to calculate the sum of n numbers in 31, 93, 279, 837.
A sequence is a list of numbers in a pattern, and each number in the sequence is called a term. We will use "terms" and "numbers" interchangeably on this page.
So, what type of sequence is 31, 93, 279, 837? The sequence 31, 93, 279, 837 has a common ratio of 3 between each term. We call this kind of sequence a geometric sequence. Below is an image illustrating the correlation between the geometric sequence 31, 93, 279, 837 and its common ratio of 3.
Now, what is the next number in the sequence 31, 93, 279, 837? Below is the formula used to calculate the next number in a geometric sequence, such as 31, 93, 279, 837. The first term listed in the sequence is "a", the common ratio is "r", and "n" is the nth term of the geometric sequence.
a × r^(n-1) = Next Term
As stated above, the common ratio (r) between each term is 3. Furthermore, the next term in 31, 93, 279, 837 is the fifth term (5), and the first term is 31. When we enter these values into our formula, we get the following answer:
31 × 3^(5-1) = 2511
Thus, the next number (term) in the sequence 31, 93, 279, 837 is 2511. The tool below calculates the nth term of the sequence using the formula above. For example, type in 20 if you want the 20th term in the sequence 31, 93, 279, 837, or 100 if you want the 100th term in the sequence 31, 93, 279, 837.
Let's move on to our next question. What is the sum of the first 10 terms in the sequence 31, 93, 279, 837? We use the formula below to calculate the sum of the first n terms in a geometric sequence such as 31, 93, 279, 837. Again, note that the first term is "a", the common ratio is "r", and "n" is the nth term of the geometric sequence.
(a × (1 - r^n)) ÷ (1 - r) = Sum
When we enter the a, r, and n values into our formula, where n is equal to 10, we can calculate the sum of all numbers up through the 10th term in the sequence 31, 93, 279, 837, as seen below:
(31 × (1 - 3^10)) ÷ (1 - 3) = 915244
Therefore, the sum of all numbers up through the 10th term in the sequence 31, 93, 279, 837 is 915244. Below is another tool we created to make these calculations easier for you. This tool can calculate the sum of any number of terms in the sequence 31, 93, 279, 837 using the formula mentioned above. For example, if you type in 15, then it will calculate the sum of the first 15 terms in the sequence 31, 93, 279, 837.
Geometric Sequence Calculator
Go here to learn more about geometric sequences using the best online Geometric Sequence Calculator.
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