# Find the units’ digit in the product 2468x8642?

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- geezerLv 71 year ago
There is no need to work out the product of 2468 and 8642

You just need the product of the units' digits.

The untis' digit of 2468 is 8

The units' digit of 8642 is 2

The product of 8 and 2 is 16

The units' digit of 16 is 6

Answer 6

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- PuzzlingLv 71 year ago
Only the units digits contribute to the units digit of the product.

So just multiply the last digit of each number and look at the units digit of the product.

Answer:

What's the unit digit of 8 × 2?

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- DavidLv 71 year ago
The product is 21,328,456 and the units' digit is 6

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- Anonymous1 year ago
27

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