A person says that 2173 is a prime number because it ends in the number 3, and since 3 is a prime number then that means that 2173 is a prime number. Is 2173 a prime number? What can you conclude about this person's reasoning? Explain your answer.

Q: 2. (4 points) Verify that 223 is a prime number. Show your work and explain your reasoning.

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Q: what property of arithmetic tells us that if 5*-3=-15, then -3*5=-15?

A: We need to identify the property according to which we can write as  5×-3 =-15 then, -3×5 =-15

Q: A realtor uses a lock box to store the keys to a house that is for sale. The access code for the…

A: Given: Length of access code = 5 Here, first digit cannot be 0 and the last digit will be even.

Q: How many words can be generated us

A: How many words can be generated using the letters of MARRIAGE.

Q: IF 1+ 1 then 22 3 1+ ] 32 +ㅗ 42 + +ㅗ S2 a 17 ? 6

A: The given problem is to evaluate the given series sum of the given series 1+1/32+1/52+... with given…

Q: The number 42 has the prime factorization 2. 3. 7. Thus, 42 can be written in four ways as a product…

A: An integer 'n' is called a factor or a divisor of another integer 'm' if 'n' divides 'm' exactly…

Q: 13. Jonah's favourite number is a positive integer. One day, he decided to write down all of the…

A: According to the given data Jonah's favourite number is positive integer. One day he write down all…

Q: Which number line shows the solutions to n > -2? + 4 5 6 -6 -5 -4 -3 -2 -1 0 1 2 +++ 1 2 3 4 5 6 -6…

A: Given: To identify the line which shows n>-2

Q: Every natural number can be written as the products of prime numbers

A: This statement is true and we can prove this in step 2.

Q: Arealtor uses a lock box to store the keys to a house that is for sale. The access code for the lock…

A: The access code contains 4 digits          Digits : 0,1,2,3,4,5,6,7,8,9 The first digit can…

Q: Is the cube root of 7 a rational number? Is it a transcendental number? Is it a real number? Justify…

A: Cube root of 7 is not a transcendental number as x3-7 is a polynomial whose root is 71/3. Now,…

Q: What can we say about 5"-2" for any natural number n? Justify your response.

A:

Q: Is the following proposition true or false? Justify your conclusion. n For each natural number n, 3…

A:

Q: Multiples How many numbers between (and including) 347 and 982 are multiples of 10? Give your answer…

A: We want to find number of multiple by 10 and does not multiple by 10

Q: If n(A ∪ B) =113, n(B) =62, and n(A ∩ B) =44, what is n(A)? (Enter answer as a whole number)

A: Given,1136244We have to find Using formula,