Math, asked by princeaman2637, 10 months ago

How many four digits number can be formed by using the digits 0, 2, 4, 6, 7 if repetition of digits is allowed?

Answers

Answered by deepthi007
2

Step-by-step explanation:

_ _ _ _ are four letter word

first letter can be filled in 4 ways

second one is filled with 5 ways (repetition allowed)

similarly the 3 and 4 th letter

no of four digit numbers = 4×5×5×5=4×125=500 ways

hope this will help u

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