SOLUTION: how do i find the square root of 6.25

Question 306968: how do i find the square root of 6.25
Found 3 solutions by Alan3354, solver91311, richwmiller:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Using a calculator is one way.
= 2.5, and -2.5

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!

Take out your calculator. Press the "6", press the ".", press the "2", press the "5", press the square root key, read the display.

Or, recall that 25 times 25 is 625, so 2.5 times 2.5 must be 6.25.

John

Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
20^2=400
30^2=900
sqrt(625) =+-25
2^2=4
3^2=9
sqrt(6.25)=+-2.5

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