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 domain of the function f(x) = sin(x) + cos(x) for x in radians.
+
What is the cosine value of the angle measuring 45 degrees in the unit circle chart?
+
What is the limit as x approaches 0 of (5x^2 + 3)/(2x + 1)?