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 standard deviation of a set of numbers: 8, 15, 11, 13, 14, 9, and 12?
+
What is the volume of a rectangular solid with length 5, width 9, and height 3?
+
What is the probability of exactly 3 successful outcomes in 5 independent trials, given a success rate of 0.2?