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)
Find the value of angle x in a right triangle if angle y is 35° and the sum of all angles is 180°.
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What is the derivative of f(x) = cos(2x) - sin(3x)?