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Monica [59]
2 years ago
5

How many even 3-digit positive integers can be written using the digits 1,2,4,7, and 8?

Mathematics
1 answer:
N76 [4]2 years ago
4 0

Looking at the question, we can see we have 5 different numbers that can go in any order.

<u>5</u> * <u>4</u> * <u>3</u>

The above is basically saying there are 5 different numbers that can be multiplied by 4 other numbers. Those 2 can be multiplied by 3 different ones, leaving us with a 3 digit positive integer.

5 * 4* 3 = 60

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