ahonyek ahonyek

09-10-2019
Mathematics

contestada

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

Respuesta :

muslehalbanna10 muslehalbanna10

09-10-2019

Answer:

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

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