Respuesta :

axellalobo1025

Answer:

Step-by-step explanation:

Billys mistake was when he multiplied the 80 by 12 instead of carrying the 1 from getting 160 from 80 x 2 he just put 16 and added 8 to it from 1 x 8.

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abbyisnotaqt

Answer:

Hope this screenshot helps:

(If u want to just copy #2 here: The mistake that he made was that he didn't carry the one over to the 1 in the tenth area. So, instead he added it to the problem which he shouldn't have.)

Ver imagen abbyisnotaqt