Consider the numbers 2, 4, 5, 7 and 8. If repetition is not allowed, how many three digit numbers can be formed such that they are all odd. |

Q: Evaluate if x=4,8,3,-2 ∑x ∑x+1 ∑(x+1) 3∑x - 4

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Q: How many numbers greater than 3000 can be form with the digits 0,2,3,4 a.  if repetition is not…

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Q: Consider the following digits: 0, 1, 2, 3, 4, 5, and 6. if a three-digit number is to be formed and…

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Q: Set A = | { 2, 2, 4, 5,1,2,6,9, 4, 5, 6, 2 } |. How many elements are in this set?

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Q: How may elements are in the set [-2, 2] \N?

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Q: Using the digits 0,1,2,....8,9 determine how many of each type of the three-digit number can be…

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Q: Write the number 6 as a sum of three natural numbers in several different ways, and, in each sum,…

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Q: How many 6-digit numbers have three even and three odd digits? (The first digit cannot be zero.)

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Q: Prove that an odd number multiplied by an odd number is odd.

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Q: A = {1,3,5,8,9,17,18} and B = {5,7,11,12,20} List the elements in set A u B and list the elents in A…

A: Please give me helpful review thanks

Q: let a, b, c, d, four consecutive positive numbers show that g.c.d (a, b, c, d)=1

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Q: Let A=[-1,7[,8={-1,3.10,12} and C={7}. Then (A-B) UC=

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Q: that if 3 divides the sum of the digits of n, then 3|n

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Q: Let A = {a, b, c, d}. Find the number of 3-combinations of A where repetition of symbols is allowed.

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Q: Let A = {a, b, c, d}. Find the number of 3-combinations of A where no symbol is repeated.

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Q: Let ß = (1,3,5,7,9,8,6)(2,4,10). What is the smallest positive integern for which ßn = ß-5?

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Q: Let A = {0, 2, 4, 6}, B = {1, 2, 3, 4, 5}, and C = {1, 3, 5, 7}. Find A n C. ||

A: Given, A = {0,2,4,6} B = {1,2,3,4,5} C = {1,3,5,7}

Q: If a number is divisible by 6, then it is divisible by 2 and 3.  If a number is divisible by 2 and…

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