Question

exercises use the distributive pro 1. 20(31)

Explanation:

Step1: Rewrite 31 as 30 + 1

$20(31)=20(30 + 1)$

Step2: Apply distributive property

$20(30+1)=20\times30+20\times1$

Step3: Calculate products

$20\times30 = 600$ and $20\times1=20$
$600 + 20=620$

Answer:

620