Question about Texas Instruments TI-30XA Calculator

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How do u use the calculator to figure out 2^3.4

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2 y^x 3 . 4 =

y^x is the power key, located just above the divide key on the rightmost column.

Posted on Oct 04, 2010

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/ The diagram shows corresponding lengths in two similar figures. Find the area of the smaller figure. A. 16 cm2 B. 18 cm2 C. 20 cm2 D. 36 cm2


Your question is not clear at all. What are all those area measures in cm^2?
Take two segments that correspond to one another and for which you have the lengths.
This will allow you to find the scale factor k.
k= (length of a segment in smaller figure)/(length of the corresponding segment in larger figure).
Then
Area of smaller figure =k^2(area of larger figure)
In the formula above insert the area of the larger figure as given to you or as calculated by you using the shape and dimensions of the figure.

Apr 09, 2014 | Texas Instruments TI-83 Plus Calculator

2 Answers

Significant figures


Press SHIFT MODE 6 then select the desired number of digits after the decimal point. Alternatively, press SHIFT MODE 7 then select the desired number of significant digits.

Sep 09, 2013 | Casio FX-115ES Scientific Calculator

1 Answer

How do i calculate ratios


You don't need a calculator for this. Simply multiply both the numerator and denominator by 2 to get 2/30.

Apr 12, 2012 | Casio FX-115MS Plus Calculator

1 Answer

Im trying to figure out the answer for 6.626x10^-34 x 2.9979x10^8 on ti 30xa. How would i figure that out?


6 . 6 2 6 EE +- 3 4 * 2 . 9 9 7 9 EE 8 =

EE is just above the 7, +- is just below the 2.

Nov 05, 2010 | Texas Instruments TI-30XA Calculator

1 Answer

I want to complete normal calculations. the default says it is set at D for angles in degrees or something I just want to balance my check book and everytime I put in the calculations I get a fraction for...


OK,do not worry. Press [2nd][MODE] to access tghe (SETUP) options. Then press 2 to select [2:LineIO]. from now on all your results will be displayed as decimal numbers. Do not pay attention to the D for degrees, if you are not doing angle calculations or trigonometry.

Another point. Since you only want to balance the checkbook, all your numbers have at most 2 decimal digits and it might be less tiresome for you if you configure your calculator to display just 2 figures after the decimal mark.

To do that
  1. Press [2nd][MODE].
  2. Enter 6 to select [6:FIX].
  3. Then enter 2.

Feb 18, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

Cos A + 4.37/7.25 I cannot figure how to solve


Here's how in 4 easy steps (I substituted "A" for "X", my more favorite variable.):

1.) Set calculator to "Degree"
2.) Given-- (cos( X))
3.) Given--(4.37/7.25)==> (437/725)
4.) Add--(cos( X)+ (437/725)

Apr 15, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

Mean and standard deviation


Mode - 2 - STAT - 1(VAR) Then put your data: 25,34,13

Then press AC which is the clear button and then SHIFT - 1(STAT) - 5(VAR) 2 (X) =

Voila!

Jun 08, 2008 | Casio fx-300ES Calculator

2 Answers

How do i solve for x on my ti-89?


First to solve a problem, write it like this

solve(3/x-2+21/x^2-4=14/x+2,x)

Second, for inverse, do this (note the "y=" part)

solve(y=3x^2 -2x+1,x)

The calculator will rewrite the formula as x = ...

Oct 23, 2007 | Texas Instruments TI-89 Calculator

2 Answers

How do I work out the standard deviation, every time I try to work it out it keeps saying error 2.


The following table shows the total prize money recieved in 2007 to date for each of 31 seeded male players at this year's wimbledon. The amounts shown are to the nearest u$100,000

27 33 7 16 9 8 7 3 4 6
4 6 7 7 4 5 3 4 4 2
7 3 6 5 2 3 4 3 3 2

Question?
Calculate the five figure summary of the total prize money recieved?

Sep 18, 2007 | Sharp EL-500LB Calculator

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