answersLogoWhite

0

Because that is how addition is defined.

One lot of tens and no units added to one lot of tens and no units makes two lots of tens and no units.

User Avatar

Wiki User

12y ago

Still curious? Ask our experts.

Chat with our AI personalities

TaigaTaiga
Every great hero faces trials, and you—yes, YOU—are no exception!
Chat with Taiga
CoachCoach
Success isn't just about winning—it's about vision, patience, and playing the long game.
Chat with Coach
BeauBeau
You're doing better than you think!
Chat with Beau

Add your answer:

Earn +20 pts
Q: Why does 10 plus 10 equal 20?
Write your answer...
Submit
Still have questions?
magnify glass
imp