How many 10 digit numbers can be made with odd digits
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Number of Digits = 10
Hence there will be 10 vacant places which had to be filled with odd digits
= 1,3,5,7,9
In each place there are Five possibilities of putting a number.
Since there are 10 places ,
Hence the number will be formed
= 5×5×5×5×5×5×5×5×5×5
= 5^10
= 9765625
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Hence there will be 10 vacant places which had to be filled with odd digits
= 1,3,5,7,9
In each place there are Five possibilities of putting a number.
Since there are 10 places ,
Hence the number will be formed
= 5×5×5×5×5×5×5×5×5×5
= 5^10
= 9765625
----------------–-------------------------------
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