write a problem multiplying a 3-digit number by a 2-digit number. show all the steps to solve it by using place value and regrouping and by using partial products
5×3 is 15 carry the one 5×2 is 10 add the one is 6 5 times 1 is 5 place a 0 under the 5 4×3 is 12 carry the one 4×2 is 8 plus 1 is 9 4 times 1 is 4 add all you get 5535