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# What is the ratio of prime numbers to composite numbers in this list 101112131415161718192021?

Updated: 12/8/2022

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what is the ratio or prime numbers to composite numbers in this list/10,11,2,13,14,15,16,1,7,18,19,20,21

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Q: What is the ratio of prime numbers to composite numbers in this list 101112131415161718192021?
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### What is the ratio of composite numbers to prime numbers in the following ser of numbers 6 3 4 12 18 17?

The ratio of composite numbers 6,3,4,12,18 and 17 to prime numbers would be 9,15,21 and 25. This is taught in math.

### What is the ratio of the number of one-digit prime numbers and the number of one-digit composite numbers?

The ratio of the number of one-digit prime numbers to the number of one-digit composite numbers is one to one. The one-digit prime numbers are 2, 3, 5, and 7. The one-digit composite numbers are 4, 6, 8, and 9. Therefor, the ratio is 4:4, which simplifies to 1:1.

### What is the ratio of the prime numbers to the composite numbers 2 3 4 5 6 7 8 9 10?

Prime numbers are: 2 3 5 7 Composite numbers are: 4 6 8 9 10 So the ratio is: 4 to 5

### What is the sum ratio of the number of one digit prime numbers and the number of one digit composite numbers?

There are four of each.

4/4 = 1

### What are the prime numbers less than 30 to the composite number less than 40?

It is a ratio of 5:13

### What is the ratio of prime numbers to composite numbers in this list 2 3 4 5 6 7 8 9 10?

Number of primes = 4 Number of composites = 5 Ratio of primes to composites = 4 : 5

### What is the ratio of number of primes and number of composite between 20 and 40?

The prime numbers between 20 and 40 are 23, 29, 31 and 37 that is 4 out of 20 or 1 to 5

2:3

### How is understanding prime and composite numbers important to math fractions?

A fraction, which is expressed as a ratio of two integers which are both prime cannot be simplified. Otherwise, it may be possible to simplify the fraction if the two share a common factor. Simplified fractions are often easier to work with because they involve smaller numbers.Incidentally, this works with all fractions, not just math fractions!

### How do you find the ratio of 9419 and 7209?

It is 9419:7209 and, since the two numbers are co-prime, the ratio cannot be simplified.

### When a fraction or a ratio can no longer be reduced?

When either of the numbers cannot be divided by each other or they are both prime numbers.