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How many 3 digit numbers can you make using the numbers 1 5 and 9 only using them once in every number?
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How many sets of 3-digit numbers can be made using 7 numbers and no duplicates within the 3-digit number?
210
How many whole 6 digit numbers using only 0 and 4?
There are 2 choices for every digit in the 6-digit number. So 26 is 2*2*2*2*2*2. The answer to that is 64.
What is the lowest 5 digit number using even numbers without repeating any digit?
24680
How many 3-digit numbers are there using 2 4 6 8 and 9?
There are 5 numbers which can make the 3 digit numbers in this example. Therefore each digit in the 3 digit number has 5 choices of which number can be placed there. Therefore number of 3 digit numbers = 5 x 5 x 5 = 125
What 3 digit number multiplied by 1 digit equals a 4 digit number only using the numbers 1 - 8?
625×2=1250
What is the smallest six digit number you can make using the numbers 381724?
From left to right, pick the smallest possible digit every time. This will give you the smallest possible number.
If using 7 single digit numbers how many different combinations can you get?
Number of 7 digit combinations out of the 10 one-digit numbers = 120.
How many sets of 3-digit numbers can be made using 7 numbers and no duplicates within the 3-digit number?
210
How many whole 6 digit numbers using only 0 and 4?
There are 2 choices for every digit in the 6-digit number. So 26 is 2*2*2*2*2*2. The answer to that is 64.
How many 3-digit numbers are there using 2 4 6 8 and 9?
There are 5 numbers which can make the 3 digit numbers in this example. Therefore each digit in the 3 digit number has 5 choices of which number can be placed there. Therefore number of 3 digit numbers = 5 x 5 x 5 = 125
What is the lowest 5 digit number using even numbers without repeating any digit?
24680
What 3 digit number multiplied by 1 digit equals a 4 digit number only using the numbers 1 - 8?
625×2=1250
What is the smallest 5 digit number using 4 different numbers?
1,023.
Largest 5 digit number using all even numbers?
88,888
What is the smallest six digit number you can write using the numbers 381724?
123478
What is the largest 6 digit number using only even numbers using each number only once?
998,000
What are the the 3 digit numbers using 1345678?
Using the digits of 1345678, there are 210 three digit numbers in which no digit is repeated.
