4 x 1 thousand (1000) = 4000
21 x 1 ten (10) = 210
4000
+ 210
---------
4210
=4210 (four thousand-two hundred and ten
It has infinite solution or many solutions.
The steps are on paper.
Answer:
what the problem? I dont understand
Answer:
84+21
Step-by-step explanation:
First, do 7 times 12
7*12= 84
Then, do 7 times 3
7*3= 21