1.

Find the unit digit in the given factor (3451)51 × (531)43.A. 6B. 4C. 1D. 91. B2. C3. D4. A

Answer» Correct Answer - Option 2 : C

Given:

Number - (3451)51 × (531)43

Calculation:

As you can see the unit digit of both the numbers are 1.

Also, any power of 1 will be 1.

Hence, the unit digit of the product is 1.

∴ The unit digit is 1.



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