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 period of the trigonometric function y = 2sin(3x) - cos(4x) + 5?
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What is the period and range of the tangent function f(x) = tan(x)?
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What is the rule for congruence of triangles involving side-angle-side (SAS) criterion?