volume_mute
Regroup to Simplify – Associative Property
publish date: 2026/05/10 01:12:7.532977 UTC
volume_mute
Find the product by regrouping cleverly: \((4 \times 125) \times 9\)
Correct Answer
4,500
Explanation
\[(4 \times 125) \times 9 = 500 \times 9 = 4{,}500\]
Here there is no better regrouping — multiply 4 × 125 = 500 first, then 500 × 9 = 4,500.
Reference
go-math-science.com