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Odd numbers must end in 1, 3, 5, 7, or 9. This is because odd numbers are integers that are not divisible by 2, meaning they leave a remainder of 1 when divided by 2. The last digit of a number is crucial in determining its divisibility by 2; if the last digit is any other number than 1, 3, 5, 7, or 9, it would be divisible by 2 and therefore not odd.
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What digits the multiple of 5 end in?
They always end in either five or zero.
What do square numbers end in?
Square numbers can end in the digits 0, 1, 4, 5, 6, or 9. This is because when you square the last digit of a number, only these digits can result from the squaring process. For example, squaring 0 gives 0, squaring 1 gives 1, squaring 2 gives 4, and so on. Therefore, any square number must end with one of these specific digits.
What is the divisibility rule for 45?
It isthe number must end in 0 or 5, andthe sum of the digits (and the sum of the digits of that sum and so on), must be 9.
How many even 3-digit numbers can be formed from digits 0 1 2 4 5 7 9 if each digit can be used only once?
To solve this question, two cases must be considered:Case 1: The three-digit even number ends with 0.If the three-digit number ends with 0, then the number must be even. After the digit 0 is used, six digits remain. After any one of these six digits is chosen to be the first digit, five digits remain. To complete the number, any of the five remaining digits could be chosen to be the second digit of the number.___6___ * ___5___ * ___1___ = 30 three-digit even numbers ending in 0.1st digit-------2nd digit----3rddigit (0)Case 2: The three-digit even number does not end with 0.If the three-digit number does not end with 0, it can end with 2 or 4. Therefore, there are two possibilities for the third digit. The first digit could be any of the remaining digits, EXCEPT 0: if 0 were the first digit, it would not be a three-digit number. Therefore, there would be five possible digits for the first digit. 0 could be used as the second digit, along with the four remaining digits that were not previously used.___5___ * ___5___ * ___2___ = 50 three-digit even numbers not ending in 0.1st digit-------2nd digit-----3rddigit (0)The total number of three-digit even numbers is 80, since 30 three-digit even numbers ending in 0 plus 50 three-digit even numbers not ending in 0 equals 80.
What numbers can be mistakenlyidentified as prime?
numbers that do not end in 0, 2, 4, 5, 6 or 8; numbers whose digits do not total 3 or a multiple of 3
What are the five digits with which all odd numbers must end?
1, 3, 5, 7 or 9
Why do odd numbers must end in one of five digits?
Because if they did not, they would be divisible by 2 and so they would be even.
How many digits do even numbers end with?
Five... 0,2,4,6 & 8
What digits the multiple of 5 end in?
They always end in either five or zero.
What do square numbers end in?
Square numbers can end in the digits 0, 1, 4, 5, 6, or 9. This is because when you square the last digit of a number, only these digits can result from the squaring process. For example, squaring 0 gives 0, squaring 1 gives 1, squaring 2 gives 4, and so on. Therefore, any square number must end with one of these specific digits.
All even numbers end in one of five digits name them?
Zero Two Four Six Eight
What is the divisibility rule for 45?
It isthe number must end in 0 or 5, andthe sum of the digits (and the sum of the digits of that sum and so on), must be 9.
How many strings of six decimal digits end with an even digit?
There are 500000 such numbers.
How many even 3-digit numbers can be formed from digits 0 1 2 4 5 7 9 if each digit can be used only once?
To solve this question, two cases must be considered:Case 1: The three-digit even number ends with 0.If the three-digit number ends with 0, then the number must be even. After the digit 0 is used, six digits remain. After any one of these six digits is chosen to be the first digit, five digits remain. To complete the number, any of the five remaining digits could be chosen to be the second digit of the number.___6___ * ___5___ * ___1___ = 30 three-digit even numbers ending in 0.1st digit-------2nd digit----3rddigit (0)Case 2: The three-digit even number does not end with 0.If the three-digit number does not end with 0, it can end with 2 or 4. Therefore, there are two possibilities for the third digit. The first digit could be any of the remaining digits, EXCEPT 0: if 0 were the first digit, it would not be a three-digit number. Therefore, there would be five possible digits for the first digit. 0 could be used as the second digit, along with the four remaining digits that were not previously used.___5___ * ___5___ * ___2___ = 50 three-digit even numbers not ending in 0.1st digit-------2nd digit-----3rddigit (0)The total number of three-digit even numbers is 80, since 30 three-digit even numbers ending in 0 plus 50 three-digit even numbers not ending in 0 equals 80.
How many prime numbers are there between 0?
infintate as numbers do not stop, so you can keep adding digits at the end of the negative number.
What is a design a flow chart that will compute the average of 5 numbers?
A flow chart is a diagram that represents the steps to finding a solution to a problem. To find the average of five numbers, all five must be added together, then the end number must be divided by 5. The flow chart will show these steps in boxes.
Can you put this number in order -11.111 -111.11 1.11 11.1 -11.1 -1.11?
Answer: I cannot answer this question. I do not know where the numbers start and end. Answer: Put negative numbers before positive numbers. For the positive numbers, the one with the least digits is smaller. For the same number of digits, compare each digit until you find a different number of digits. For the negative numbers, it is the opposite as for positive numbers.
