Question about Texas Instruments TI-83 Plus Calculator
Place both the base and the exponent in parentheses
(3/4)^(-2) then press enter. Your answer will be in decimal form at first 1.777...
Press MATH
Select the 1: Fraction option and it will convert your decimal value to the fraction answer of 16/9.
Negative exponents flip the fraction. For instance, (3/4)^(-1) = 4/3. So for (3/4)^(-2) you could just square the numerator and denominator separately to get 9/16, and then flip the fraction to account for the negative. That will give you 16/9.
Posted on Jul 30, 2009
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Posted on Jan 02, 2017
SOURCE: I am having issues performing a simple function on
You're not calculating the square of a negative number, you're calculating the negative of a square. You need to use parenthesis to indicate the square of a negative number.
You're calculating -(3^2), not (-3)^2.
To calculate the latter: ( (-) 3 ) x^2 =
Posted on Dec 05, 2010
SOURCE: negative answer when squaring a neg number
You must put all negative numbers in Parenthesis otherwise your calculator is not squaring the negative .
Posted on May 05, 2008
SOURCE: Wrong answer with squared negatives.
Your calculator will square a number before it applies the negative sign, so what you're actually doing is squaring 2, then applying the - sign to your answer. You need to put the -2 in parenthesis, so (-2)^2. That will give you 4. Hope this helps!
Posted on Nov 12, 2008
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