Question 877669
5-digit numbers are to be formed by using all the digits 0,1,2,3,4. How many numbers can be formed if the digits are allowed to repeat 
ten thousand option ( zero can not be used )  =4
thousand place options=5
hundred place options=5
tens place options =5
once place options are=5
number of options can be formed for 5 digit 
=4x5x5x5x5= 2500
Answer 2500