standard_description: Understand that the graph of an equation in two variables is the set of all its solutions plotted in the coordinate plane, often forming a curve (which could be a line).
problem_activity: Problem 1
The number 234 is multiplied by 10. What is the value of the 2 in the product?
Problem 2
In which number does the 2 represent a value 10 times the value represented by the 2 in 82,401?


aligns: no