Question

A digit in the unit's place of the product 81×82×83×84×........×99 is ?​

Answer 1

A digit on unit place of product is zero (0).

Because there is a number 90 is present in product.

So ,if any product will be multiplied by 90 then unit digit will be always zero.

Hence, answer is zero.

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Answer 2

Answer: It should 0.

Step-by-step explanation:

A digit on unit place of product is zero (0).

Because there is a number 90 is present in product.

So ,if any product will be multiplied by 90 then unit digit will be always zero.

So it is 0