# The square root of 4a^2 - Computers & Internet

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The square root of 4a^2 is 2a.

Posted on Apr 21, 2014

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Posted on Jan 02, 2017

20.2232014
Easy. Give me something harder next time :)

Posted on Sep 15, 2010

Posted on Apr 27, 2011

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## Related Questions:

### Simplify the square root of the fifth root of 64q^8v^6

Square root equivalent to power 1/2
Fifth root equivalent to power 1/5
square root of fifth root (if argument of square root is positive) is equivalent to power 1/10
64^(1/10)*q^(4/5)*v^(3/5)
using 64=2^6 you get 2^(3/5)*q^(4/5)*v^(3/5)

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### 4 squre root 81

Take the fourth root. The square root, denoted by a 2 on top of the "root thing" or more commonly without a number at all, is the second root.

Usually the easiest way to calculate the fourth root is to calculate the square root of the square root. So in this case the fourth root of 81 is the square root of the square root of 81. The square root of 81 is 9, the square root of 9 is 3.

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### How to use square root for non square numbers for casio graphing calculator

You can use the square-root function for any number, whether it's a perfect square or not. For example, to calculate the square root of 2, press SHIFT [square-root] 2 EXE .

[square-root] is on the x^2 key, just to the right of the ALPHA key.

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### Just simplify this rational algebraic expression 16a^2-8a 1/4a-1

16a power of 2, -8a,),,(1/4a-1) are these two prolems polynomials, to be multiplied togethor? is 4a to the third power-18a squared+8a, used the distributive property
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### How do i do a number 'to the power of 1/2 or 2/3? cheers Brad

Power 1/2 is the same as square root: You can use the square root key to the left of the square key.
Similarly power 1/3 is the cube root. You use the [SHIFT][Square root] key sequence.
Power 2/3 is the square of the cube root, or the cube root of the square.

More generally, you can use the universal power key, marked with X with a raised white rectangle. It is between X square and log.

Ex: Calculate 15^(2/3)
15 [X with raised rectangle] 2 [/] 3 [)] [=]; the result is 6.082
The last parenthesis closes the left parenthesis introduced by the calculator.
Alternatively you can use the cube root and the x-root selections available under the MATH menu.(selections 4 and 5)

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### How do you use x of square root on a ti-30x

If you can't find the square root sign you could enter it like:
4^(1/2)=2 and 16^(1/2)=4 just what #your look for the square root of just take to the ^(1/2)
I'd like to give the key reference for the square root sign but, I loan my calculator to a student

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The exact square root is 14.1419

The 200= 100 * 2
50 * 2 * 2
25 * 2 * 2 * 2
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### Trignometric problem

The answer is Square root of 2. ( )
They way it works is :
sec theta at 45 degre is 1 over cosine of theta or
cosine of theta is square root of 2 over 2.
Therefore you have 1 over square root of 2 over 2.
After rationalization and simplification you should have .

Feb 20, 2008 | Ingenico I6550 (6550US0041)

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