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Thread: Need helping putting a problem in my TI 30XIIS calculator

  1. #1

    Need helping putting a problem in my TI 30XIIS calculator

    Im trying solve r=Square root 4400/22704PI. I know the answer is .25, the teacher did it for us as an ex. but when he did it i didnt have my calculator, now i cant figure out how to correctly get this answer from the calculator, Any one know?

  2. #2
    Senior Member
    Join Date
    Aug 2010
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    Quote Originally Posted by ToDieIsGain View Post
    Im trying * solve r=** Square root 4400/22704PI.


    I know the answer is .25, [b] No, the answer can be rounded to .25.


    the teacher did it for us as an ex. but when he did it i didnt have my calculator,
    now i cant figure out how to correctly get this answer from the calculator, Any one know?

    * It is already solved. You are looking to convert it to an approximate decimal form.


    ** The radicand is typed incorrectly here. You need grouping symbols around the denominator:


    square root (4400/(22704*pi))


    See if the screen can display this:


    [tex]\sqrt{ \ (}[/tex][tex]4400/(22704*\pi))[/tex]


    or just


    [tex]\sqrt{ \ (}[/tex][tex]4400/(22704\pi))[/tex]



    For each of these expressions in my TI-30XIIS calculator, the display after pressing the
    equals key is 0.248370615.

  3. #3
    Nice, thanks lookagain. What I wasn't doing was putting parenthesis around (22704PI).

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