Write 42 and 63 as products of their prime factors

Answers

Answer 1

Answer: We perform prime factorization on both numbers.
Prime factors are prime numbers. These numbers can only be divided by 1 and itself.

42 ÷ 2 = 21
21 ÷ 3 = 7

2, 3, and 7 are prime factors: 2 * 3 * 7 = 42

63 ÷ 7 = 9
9 ÷ 3 = 3

3 * 3 * 7 = 63 OR 3² * 7 = 63

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Is the set of multiples of 4 closed under addition? Explain why or provide a counterexample if not.A. Yes, because the sum of any two multiples of 4 is also a multiple of 4.

B. Yes, because the sum of any two multiples of 4 is also a multiple of 8.

C. No, and a counterexample is –4 + (–8) = –12.

D. No, and a counterexample is 26 + 16 = 42.

Answers

The right answer for the question that is being asked and shown above is that: "B. Yes, because the sum of any two multiples of 4 is also a multiple of 8." the set of multiples of 4 closed under addition

Which of the following most closely rounds to the number 1

Answers

Answer:

1.1???????

Step-by-step explanation:

Answer:Its most likely to be D

Step-by-step explanation:

3 1/2 x 4= {Khan Academy}

Answers

Answer:

7x^4/2

Step-by-step explanation:

5 + 5+10+20+45+56+56+57+76