Mark wrote the highest score he made on his new video game as the product 70×6000 use the assess it is and commutative property is to show how Mark can calculate this product mentally
The commutative property can be used because 70 • 6000 is the same as 6000 • 70.
Mark can calculate the product mentally by taking off all the zeros to get 7 • 6 which is 42. After, he can add the zeros back on. The answer is 420,000.
