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Find √81 A. 40.5 B. 10 C. 9 <--- D. 8 9x9=81 @Hero
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C. 9
You were correct. :)
so are you like christina's fan or something?
To find the square root of a number without a calculator, you need to find the number that, when multiplied by itself, gives you the number. Like the square root of 36 is 6 * 6. The square root of 25 is 5 * 5. The square root of 81 is 9 * 9. That means that\[\sqrt{9\times9}\]You can take one out, because that's what the square root means, right!
@sourwing MAJOR! She is my Role Model and She sings Great and I could probably quite talking now while I'm ahead. :)
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