joshuaroy09 joshuaroy09

01-05-2019
Mathematics

contestada

what's 22 * 19 + area model

Respuesta :

MrsStrong MrsStrong

02-05-2019

Answer:

(20+2)(10+9)

Step-by-step explanation:

The area model is written as (a+b)(c+d). To write a multiplication problem into an area model, split it into numbers which add to it. Multiples of 10 are most commonly used.

For example 22*19 becomes (20+2)(10+9).

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