Register
Why do you add a zero when multiplying two digit by two digit numbers?
212k views
5 votes
Why do you add a zero when multiplying two digit by two digit numbers?

User Mpho
by
7.4k points

2 Answers

5 votes
Place the zero to hold the ten's place 
User Prashan
by
8.2k points
5 votes
It helps align the problem right. There is nothing to multiply there, so you have put a 0 or you'll get confused on what to do next. 
User Sinaesthetic
by
8.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Mr. Jacob is 55 years old and tony is 7 years old. in how many years will mr. Jacobs be 4 times as old as Tony
Link Copied!