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2.5 * 3.5 = 8.75 or 8 3/4 inches long
9 is a square number because when you use the dot diagram, 9 dots form a square. They are in a 3 by 3 square.
I attached how to show this.
If you have any further questions feel free to ask.
Hope this helps.
Answer:
I'm so sorry!!! I don't understand how you are supposed to do this problem... I hope someone can help you out. Have a good day
Step-by-step explanation:
Super sorry
Answer:bc thats not the number included in the problem
Step-by-step explanation: