I need some homework help.Without acual division i need to see whihc fractions are terminating decimals.After you reduce the fractions to its lowest terms what do you do?
2006-08-03 23:28:15 · 7 answers · asked by shrutigiyer 2 in Education & Reference ➔ Homework Help
no wisecracks.I want to pass my grade.No"YOURE ACTUALLY DOING HOMEWORK?"kinda wisecracks.
2006-08-03 23:28:44 · update #1
in the question its which,Sorry..MY BAD..:)
2006-08-03 23:31:19 · update #2
ARGH!!!!!
I made too many typing errors...sorry folks.
2006-08-03 23:33:34 · update #3
if the denominator is 2^n*5^m, then it's a terminating decimal. If not, then it's a repeating decimal...
comes from the fact that 10=2*5.
The easiest way to understand is to see that a terminating decimal, if multiplied by 10^k, becomes a integer... therefore, the denominator can only be made of 2s and 5s
(not enough typo mistakes to make your question un-understandable, I assure you... some questions here are a lot worse)
2006-08-03 23:38:07 · answer #1 · answered by Anonymous · 0⤊ 0⤋
reduce the denominator to prime factors.if the prime factors are multiples of 2 or 5 only,then the fraction is terminating.if the factors are other than 2 or 5, that is 3,6,7,9
2006-08-04 07:31:26 · answer #2 · answered by raj 7 · 0⤊ 0⤋
In order to change a fraction to a decimal, you have to divide the denominator into the numerator. Is there a reason why you don't want to use division?
2006-08-04 06:34:04 · answer #3 · answered by MollyMAM 6 · 0⤊ 1⤋
There isnt anyway other than actually dividing... a fraction in its lowest form can be a 10-digit prime as numerator upond 12-digit prime denominator or any other thing... one always has to actually divide to check....
if you are a student in india, check out this wonderful site called mathguru.com which carries step-by-step solutions and explanations with voice and everything for math problems.
2006-08-04 07:22:43 · answer #4 · answered by Anonymous · 0⤊ 1⤋
We can't list all the termination decimals. 3/4 is a terminating decimal while 2/9 is a repeating decimal of .022222.......
3/4 would eventually round out to .75 as 1/2 will round out to.5.
What to do if you break it down to lowest terms and repeats?....A bar(line) over the number which repeats.
These listed websites can give you more information.
http://argyll.epsb.ca/jreed/math7/strand1/1108.htm
http://mathforum.org/library/drmath/view/56003.html
http://www.mathsteacher.com.au/year8/ch02_fracdec/09_recur/dec.htm
2006-08-04 07:38:38 · answer #5 · answered by Jedi 7 · 0⤊ 1⤋
well the best possible way is division and the oter method which i know is a bit tough. yes and also remember that if the numerator and denominators are whole numbers then thy are terminating factors [ in lame man's language]
2006-08-04 07:08:42 · answer #6 · answered by kita 2 · 0⤊ 1⤋
if you still need help email me at halohidesmihorns@yahoo.com and ill give some advice and tips good luck
2006-08-11 21:39:34 · answer #7 · answered by brandy c 1 · 0⤊ 0⤋