How many positive integer of 20020^12 has 7as theirunit digit

• ans is 0 because 20020 has 0 as its last digit and thus it will always contain 0 at its last
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• the unit digit of 20020 is 0 how times though 0 is multipled u get 0 as resultant hence there no integer with 7 as unit place
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• 0 because 20020 always leads to a unit zero doesnt mattr with its power
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• 0
  Because its zero
  
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• 0 since its unit digit will never have 7
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• ans is 0 because 0(units digit) power anything will result 0 in the units digit
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• nothing(0) since 0 power anything is 0
  
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• 0,,Because its last digit is zero,,So it never will be 7..
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• there is no 7 as unit digit because the last digit of 20020 is 0
  
  
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• 0 as 20020 has its units digit as 0
  so 20020 raised to any power will give a digit with 0 as its last digit
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• ans is 0
  
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