How many 5 digit numbers have the property that all their digits are ascending.

So, for the ascending order, there are only 9 digits to choose from, and hence, there are 9C5 ways to choose the 5 digits. So, there can be 9C5=126 5-digit no.s with their digits in an ascending order.

126 5

the answer is 3/2 and for decimal: 1.5

hope i

-lavira: )