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Lena [83]
3 years ago
15

How many numbers of at least three digits can be formed from the indegers 1,2,3,4,5,6​

Mathematics
1 answer:
bija089 [108]3 years ago
8 0

Answer:

The answer is 1920, right? Here is how-

The numbers must contain at least three digit and can go above that which means the answer has 3 4 5 and 6 digits all together.

For three digits , there will be 6*5*4 = 120

For 4 Digits, There will be 6*5*4*3=360 possible numbers

For 5 digits , there will be 6*5*4*3*2 = 6! = 720

For 6 digits, there will be 6*5*4*3*2*1 = 6! = 720

<Note- the digits are non repeating as the question said it to be “different digits” >

Now add them up = 120+360+2*720 = 1920

Step-by-step explanation:

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<em>I hope this helps!!</em>

<em>- Kay :)</em>

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