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 equation of a hyperbola with a vertical transverse axis, center at (3,2), vertices at (3,8) and (3,-4), and eccentricity of 2?
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How many ways are there to arrange 5 books on a shelf?