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Is 15 a whole number or a natural number?
It is both.
What are five names for the number 15?
whole number, natural number. integer,rational, and real number
What is a multiple of a natural number always?
A multiple of a natural number should be another natural number.
Explain why there is no greatest natural number?
because the natural number is infinite so there is no greatest natural number
What is the reciprocal of a natural number?
If x is the natural number, 1/x is the reciprocal.
Is 15 a whole number or a natural number?
It is both.
Is 225 square root a natural number or not?
√225 = 15 so it is a natural number.
Is 15 a natural number yes or no?
Yes
What are five names for the number 15?
whole number, natural number. integer,rational, and real number
Is a natural number is divisible by 3 and 5?
15.
What is -15(natural wholeinteger rational irrational)?
-15 is a rational integer whole number
What is the largest odd natural number that is a factor of 120?
To find the largest odd natural number that is a factor of 120, we first need to factorize 120 into its prime factors, which are 2^3 * 3 * 5. Since we are looking for an odd factor, we can ignore the factor of 2. The largest odd factor of 120 is then 3, as it is the largest odd prime factor present in the prime factorization of 120.
Write a number that is odd and composite?
9 is the smallest natural number that is odd and composite: 9=3*3. 15 is the smallest natural number that is odd and a product of two numbers different from one and from each other: 15=3*5.
What is the smallest number that is divisible by 7 15 and 21?
If it needs to be natural it is one.
Product of three consecutive natural number is 120 what is their sum?
Their sum is 15.
Is the difference of two natural numbers always a rational number?
No. Example: The difference of 2/5 & 1/3: 2/5 - 1/3 = 1/15 ∈ ℚ (is a rational number) ∉ ℕ (is not a natural number).
Write the natural numbers 1to15 what fraction of them are prime numbers what fraction of them are the composite number?
2/5 are prime, 8/15 are composite (and 1/15 is neither).
