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What is the standard deviation of these four scores 2 4 3 7?
Standard deviation is the square root of the mean. The mean for this set is (2 + 4 + 3 + 7)/4 = 16/4 = 4; the square root of this is 2.
What is 3 square root 28 simplified?
Oh, what a happy little math question we have here! To simplify 3√28, we first look for the largest perfect square that divides evenly into 28, which is 4. So, we can rewrite 28 as 4 * 7. Now, we can take the square root of 4, which is 2, and bring it outside the square root symbol. This gives us 2 * √7, which is the simplified form of 3√28. Happy mathing, my friend!
What is radical 112 simplified?
The square root of 112 simplified is √112 = 4√7. Here's how you can break it down: First, find the prime factorization of 112: 112 = 2^4 * 7. Take the square root of each of the factors: √(2^4 * 7) = √(2^4) * √7 = 2^2 * √7 = 4√7. So, the simplified radical form of √112 is 4√7.
What is 4 times the square root of 63 in its simplest radical form?
12 times the square root of 7.
What is the square root of -28?
Go 7 units of distance in any direction. Turn 90 degrees clockwise and go 7 units of distance in a straight line. Turn 90 degrees clockwise and go 7 units of distance in a straight line. Turn 90 degrees clockwise and go 7 units of distance in a straight line.You will have travelled along a square route whose total distance is 28 units. Alternatively you could have turned counter clockwise each time.
