Jocelyn76021 Jocelyn76021
  • 23-01-2024
  • Mathematics
contestada

If m = 777....77777 is a 99 digit number and n = 999....99999 is a 77 digit number, then the sum of the digits in the product m*n is :
a) 890
b) 891
c) 892
d) 893

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