Asked by Lisa
(6+8)8-9/3(9+3-2)^2
Answers
Answered by
MathMate
Follow the priority of operations and evaluate according to the priority.
For the list of priorities, see:
http://www.jiskha.com/display.cgi?id=1252447747
For the list of priorities, see:
http://www.jiskha.com/display.cgi?id=1252447747
Answered by
MathMate
I also notice that the expression is ambiguous. Was it written as a fraction such as:
((6+8)*8-9) / (3*(9+3-2)^2)
or was the question really as you have written?
Note that if it was written as a fraction, parentheses are required for the numerator and denominator in order to evaluate correctly.
((6+8)*8-9) / (3*(9+3-2)^2)
or was the question really as you have written?
Note that if it was written as a fraction, parentheses are required for the numerator and denominator in order to evaluate correctly.
Answered by
Lisa
no, that is how it is written. Thw slash is being used as a division sign.
Answered by
MathMate
If the division sign is for a fraction, you would have to add the implicit parentheses as I have done in order that the value of the expression will not be changed.
For example, when we write the fraction where the numerator is x+1 and the denominator is x-3, we HAVE to write the fraction as
(x+1)/(x-3) because we want (x+1) divided by (x-3).
If we omit the implicit parentheses and write
x+1/x-3, we would end up with the three term expression
x + (1/x) - 3
which does not evaluate to the original fraction.
For example, when we write the fraction where the numerator is x+1 and the denominator is x-3, we HAVE to write the fraction as
(x+1)/(x-3) because we want (x+1) divided by (x-3).
If we omit the implicit parentheses and write
x+1/x-3, we would end up with the three term expression
x + (1/x) - 3
which does not evaluate to the original fraction.
Answered by
Lisa
ok, thank you!
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