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What is the solution to 9 x 9?

User Luka Rahne
by
3.9k points

2 Answers

3 votes

Answer:

81

Explanation:

We can round one of the 9's to ten then multiply it

9*10=90

then subtract the 9 that we added

90-9=81

User ArdentLearner
by
4.1k points
3 votes

Answer:

81

Explanation:

dude, it's one of the fast facts

User Soumik Rakshit
by
3.5k points