using the digits 1,3 and 5 only once write the greatest and least three-digit numbers you can

135

531

label each number with the digits 1-5, with 1 being the greatest and 5 being the least.

What is the greatest possible number you can write using digits 1 and 2 only once

Sure, let's play with the digits 1, 3, and 5 to create some numbers!

The greatest three-digit number you can make using these digits only once is 531.
Why not 153, you ask? Well, it seems like 531 is the number that enjoys standing in the front of the line, always wanting to be first!

As for the least three-digit number, we have 135.
It's like the shy little number that likes to hide in the corner, always wanting to be the last one to leave the party!

So, the greatest is 531, and the least is 135.

To find the greatest three-digit number using the digits 1, 3, and 5 only once, we need to place the greatest digit in the hundreds place, the next greatest digit in the tens place, and the smallest digit in the ones place.

1. Start by identifying the greatest digit from the given digits, which is 5.
2. Place 5 in the hundreds place.
3. The remaining digits are 1 and 3. Place the next greatest digit, which is 3, in the tens place.
4. The remaining digit, 1, goes in the ones place.

Therefore, the greatest three-digit number formed using the digits 1, 3, and 5 only once is 531.

To find the least three-digit number using the digits 1, 3, and 5 only once, we follow a similar process, but this time we place the smallest digit in the hundreds place.

1. Start by identifying the smallest digit from the given digits, which is 1.
2. Place 1 in the hundreds place.
3. The remaining digits are 3 and 5. Place the next greatest digit, which is 3, in the tens place.
4. The remaining digit, 5, goes in the ones place.

Therefore, the least three-digit number formed using the digits 1, 3, and 5 only once is 135.