Question

How do you rewrite 3×42 using the distributive property then find the product?

I didn't understand how my teacher answered it

Answer 1

see explanation

Explanation:

42 = 40 + 2

using the distributive property to multiply 42 by 3

= 3( 40 + 2 )

= (3 × 40 ) + (3 × 2 ) = 120 + 6 = 126