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)
Question: Find the vertex of the quadratic function f(x) = x^2.
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What is the dot product of two vectors A = (1, -2, 3) and B = (4, 5, -6)?
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Question: What is the standard deviation of a set of 10 numbers {5, 8, 12, 15, 19, 22, 26, 30, 35, 40}?