Multiplication is a way of adding the same number multiple times. When you multiply 3×3, you're adding the number 3 three times:
3×3=3+3+3=9
So, 3×3=9 means that you're taking three groups of three, which equals 9 in total.
Frequently asked questions (FAQs)
What is the radius of a circle given an equation of the form x^2 + y^2 = r^2?
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What is the equation for the altitude of a triangle given the base and corresponding height?
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What is the standard deviation of this set of numbers: 4, 7, 9, 12, 15