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 minimum and maximum value of the cubic function f(x) = x^3 in the interval [-2, 2]?
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Math question: Find the absolute extrema of f(x) = x^2 - 4x + 3 on the interval [1, 5].
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What is the surface area of a cylinder with a height of 10 cm and a radius of 5 cm?