1.

Find the unit digit of a product 356 ×  7693.1. 62. 43. 84. 2

Answer» Correct Answer - Option 1 : 6

Given:

356 ×  7693

Calculations:

356

3= 1    

31 = 3    

3= 9    

3 = 27 

34 = 81

For every 4 powers the unit digit is same 

Here, power of 3 is 56 

56 ÷ 4 = 14 

So the unit digit  = 1 for  356

 7693.

6= 1 

61 =  6

61 =   36

For every power of 6 the unit digit is 6

6 × 1 = 6

∴ The unit digit of a product 356 ×  7693 is 6



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