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)
Solve the inequality: 5x - 3 < 12.
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Find the derivative of y = sin(3x) + cos(2x) with respect to x.
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Find the derivative of f(x) = cos^3(x) - sin^3(x) with respect to x.