The correct expression that shows how Joshua could use place value to break up the multiplication of 38 × 12 is:
(30 + 8) × (10 + 2)
This expression correctly breaks down 38 into 30 and 8 (based on place value) and 12 into 10 and 2.
Question
Joshua is trying to find the product of 38 × 12. Which expression shows how Joshua could use place value to break up this problem and solve it?(1 point)
Responses
(30+8)×(10+2)
open paren 30 plus 8 close paren times open paren 10 plus 2 close paren
(30+8)×(11+1)
open paren 30 plus 8 close paren times open paren 11 plus 1 close paren
(32+6)×(10+2)
open paren 32 plus 6 close paren times open paren 10 plus 2 close paren
(31+7)×(11+1)
1 answer