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Simplifying Expression with Exponents  TOPIC_SOLVED

3^5(3^-2 + 3^-3)
______________
9

Hope this explains as I was unable how to figure out how to make exponents on my laptop.
by Tomtom
on Wed Oct 17, 2012 9:01 pm
 
Forum: Pre-Algebra
Topic: Simplifying Expression with Exponents
Replies: 3
Views: 2993

Re: Simplifying Expression with Exponents  TOPIC_SOLVED

Sorry my apologies,I neglected to write that I have no idea to solve.
by Tomtom
on Mon Oct 22, 2012 12:27 pm
 
Forum: Pre-Algebra
Topic: Simplifying Expression with Exponents
Replies: 3
Views: 2993

Word Problem Percentage  TOPIC_SOLVED

Hello I've been working on types of percentages and have been stumped.on the following questions. What percent of 63 is 88.7? I thought solving would be 63/88.7 and then multiply the answer by 100. The correct answer is 140.8%. 112 is what percent of 121.6? I used the above.formula with no success. ...
by Tomtom
on Sat Nov 24, 2012 7:37 pm
 
Forum: Arithmetic
Topic: Word Problem Percentage
Replies: 6
Views: 8158

Re: Word Problem Percentage  TOPIC_SOLVED

Thanks for responding Maggie, I did take a look at the page but seem to still be having a problem with my examples as I am getting different answers then what is the "correct" answer. Could you tell me if I'm using the right formula to solve?
by Tomtom
on Sun Nov 25, 2012 2:43 pm
 
Forum: Arithmetic
Topic: Word Problem Percentage
Replies: 6
Views: 8158

Re: Word Problem Percentage  TOPIC_SOLVED

Thanks for responding Maggie, I did take a look at the page but seem to still be having a problem with my examples as I am getting different answers then what is the "correct" answer. Could you tell me if I'm using the right formula to solve? What formula are you using? :clap: Division an...
by Tomtom
on Mon Nov 26, 2012 5:55 pm
 
Forum: Arithmetic
Topic: Word Problem Percentage
Replies: 6
Views: 8158

Re: Word Problem Percentage  TOPIC_SOLVED

I see dividing and multiplying but I dont see a formula. They give you a formula at the link in the first reply: "(this) is (some percent) of (that)" which means (this) = (decimal %)*(that). Try using that so "What percent of 63 is 88.7?" is (x %)*(63) = (88.7) Then you solve fo...
by Tomtom
on Wed Nov 28, 2012 3:04 pm
 
Forum: Arithmetic
Topic: Word Problem Percentage
Replies: 6
Views: 8158

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