How many 3-digit numbers can you write using only digits 1, 5, and 7 if you cannot use the same digit twice?

You can make six 3-digit numbers with 1, 5, 7 if you cannot repeat the same digit more than once.

Step-by-step explanation:

Since, we've 3 numbers & we need to create 3-digit numbers, each number should be in the hundreds, tens & ones place at least twice. So, the numbers that we get are:

•°• We'll get six numbers.

__________

Hope it helps!

oof tough question

step-by-step explanation:

sorry i can't ya : c gl tho

step-by-step explanation:

107 units