chola2 chola2
  • 09-01-2017
  • Mathematics
contestada

write an exptesion that can be used to multiply 6×198 mentally

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TidePods
TidePods TidePods
  • 09-01-2017
round 198 to 200, then do a mental sum for 6x200 (1200) then subtract 6x2(12) which gives you your answer: 1188
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