How do you do 3 digit multiplication?

Question

Example 145x312

Answer 1

http://www.mathsisfun.com/numbers/multiplication-long.html

Answer 2

ThankS!!

Answer 3

You're welcome.

Answer 4

Math In a 3 digit number the hundreds digit is one half of tens digit while the ones digit is more than the tens digit. If the sum of 3 digit is 11, find the numbers.