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 vertex of the parabola function y = ax^2 if a > 0?
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Math question: Find the derivative of f(x) = 4x^3 - 2x^2 + 7x - 9 using the basic rules of derivatives.
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What is the sum of vectors v = (-2, 4) and u = (5, -3)?