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Yes, 8100 = 90^2. As to if you want to know why. Maybe you just want to see how you can tell. A number a2b2 will equal (ab)2. So if any two perfect squares are multiplied together, the product is also a perfect square. With a = 9, and b = 10, then you have a2 = 81, and b2 = 100. And a2b2 = (ab)2 = 8100.

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Q: Is 8100 a perfect square why or why not?
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Related questions

What are the square of 8100?

The square of 8100 is the same as 8100 x 8100.

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The square roots of 8100 are 90, -90

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The square root of 8100 is 90 (90 x 90 = 8100)

What is the squrae root of 8100?

The SQUARE root of 8100 is 90.

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Yes because 90 squared is 8100.

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8100 square units

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The length measure of a yard cannot be changed to the area measure of a square feet. If here is "a real area of a square" with the side length of 90 yards, then there is an area of 8100 square yards. 8100 square yards are 72900 square feet.