how many three digit numbers can be formed using three numerals form 1 to 9
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There are 9 ways to pick the 1st digit.
For each of those 9 ways there are 8 ways to choose the second digit.
That's 9 × 8 = 72 ways to pick the first two digits. For each of those 72 ways there are 7 ways to choose the third digit.
That's 72×7 ways or 504 ways to pick all three digits.
Answer Of the Question Is 504............................
For each of those 9 ways there are 8 ways to choose the second digit.
That's 9 × 8 = 72 ways to pick the first two digits. For each of those 72 ways there are 7 ways to choose the third digit.
That's 72×7 ways or 504 ways to pick all three digits.
Answer Of the Question Is 504............................
Answered by
1
Answer Of the Question Is 504
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