how many 4digits number are there with no digit repeated?
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➡️Now we will have 4 places where 4 digits are to be put. ➡️Total Number of ways to fill the four places = 9 × 9 × 8 × 7 = 4536 ways. ➡️So a total of 4536 four digit numbers can be there with no digits repeated
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Answer:
9×8×7×9 is the answer.
Step-by-step explanation:
I don't have calc. ;)
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