Which of the following numbers is a composite number? a. 11 b. 17 c. 23 d. 27

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❖ A composite number is 27. 27 is composite because there are more numbers than 1 and itself that can be multiplied to create 27. The two other numbers to make 27 are 3 x 9. All the other answer choices are prime numbers because no other numbers besides 1 and itself can be multiplied to make that number.

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D 27

Step-by-step explanation:

A composite number is a number that is formed by multiplying two numbers together that are not itself and 1

A.11

B.17

C.23

D. 27  We know that 27 = 3*9  so this number is composite

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign