how many four digited numbers can be formed using 1,2,5,7,8,9
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1
Answer:
1296
Step-by-step explanation:
For making any four digit number abcd out of given number (1,2,5,7,8,9) we can put any value from these 6 value in the place a
Like wise for each position b, c and d we have 6 choices.
So answer will be 6^4=1296
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