Common questions

What is the 5th term of 3n 5?

Joe Ford

What is the 5th term of 3n 5?

3(5)= 15 and 15+5=20 which is the 5th term of sequence.

What does 3n mean in maths?

It’s a multiple: 3 times n. The definition means ‘P is a set of such x-es, that (for each x) there is such n being a natural number, and less than 3, which makes x when multiplied by 3’.

What does 3n 1 mean?

When n=1, 3n=3, which is not a term in our sequence. If we subtract 1,we get 2, which is a term in our sequence! So, the nth term is “3n-1”. [Let’s check this: For n=3, 3n-1=9-1=8, which is our 3rd term!].

What is the easiest math problem?

  • The Collatz conjecture. XKCD.
  • The Beal conjecture. The Beal conjecture basically goes like this…
  • The Inscribed Square problem. Claudio Rocchini.
  • Goldbach’s conjecture. Similar to the Twin Prime conjecture, Goldbach’s conjecture is another seemingly simple question about primes and is famous for how deceptively easy it is.

Is Collatz conjecture solved?

Update (September 10. 2019): As of this date, the full Collatz conjecture remains unsolved, but Terence Tao has just posted a paper chipping away at the problem.

Why is n used in math?

A variable is a letter or symbol that stands for a number and is used in mathematical expressions and equations. In an arithmetic sequence, which is a list of numbers that follow a pattern, “n” is a variable representing the number of the term to find. It represents the number of compoundings in 1 year.

What kind of number is 5 6?

The number 5/6 is a rational number. The definition of a rational number is that it is the number that results when one integer is divided by…

Is 0.2 A integer number?

These numbers lie between the two whole numbers. Decimals = 0.1, 0.2, 0.3, … are called integer.

Is 5 a whole number?

In mathematics, whole numbers are the basic counting numbers 0, 1, 2, 3, 4, 5, 6, … and so on. 17, 99, 267, 8107 and are examples of whole numbers. Whole numbers include natural numbers that begin from 1 onwards.

What is the real number in math?

Real number, in mathematics, a quantity that can be expressed as an infinite decimal expansion. The real numbers include the positive and negative integers and fractions (or rational numbers) and also the irrational numbers.