Which of the following is a composite number?
a. 31
b. 63
c. 61
d. 13

Number  63 is a composite number

Numbers are quantities used in measurements

Numbers in mathematics can be divided into several terms

numbers consist of positive, negative and 0 numbers

numbers consisting of positive numbers, starting with number 1

a number consists of positive numbers and zeros

numbers that can only be divided by numbers themselves and the number 1

And examples of other numbers such as imaginary numbers, real numbers, rational numbers, etc.

Integers themselves consist of

the number to the right of the number 0 is 1,2,3 ...

the numbers to the left of the zeros are -1, -2, -3 ...

A composite number is a positive integer that is not a prime number or can be stated: A whole number that can be made by multiplying other whole numbers

Let's look at the answer choices

Is a prime number, because it can only be divided by 1 and the number itself (31)

A composite number, because it can be divided by 3, and the product of 2 numbers is:

21 x 3 and

9 x 7

Is a prime number, because it can only be divided by 1 and the number itself (61)

Is a prime number, because it can only be divided by 1 and the number itself (13)

Express 0.000431 L answer as an integer

link

type of number

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Classify the number as a natural, whole, integer, rational, or irrational.

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Keywords: natural, whole, integer, composite number

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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