Question

Help for 21 need help

Answer 1

   1
   53
     6  
-------
   318

do 6*3 first. that is 18, so you write 8 in the 1s spot and carry the one. you then do 6*5 which is 30. add the one from 18. you then get 318.

Hope this helps!

Answer 2

53+53+53+53+53+53=318
if you add 53 six times you get 318