My book has the following exercise What must be true of the integers a, and /or b, is terminates when expressed in decimal form (assume that is in its lowest terms)? Can someone please help me? Thank you!
Follow Math Help Forum on Facebook and Google+
Originally Posted by Coach My book has the following exercise What must be true of the integers a, and /or b, is terminates when expressed in decimal form (assume that is in its lowest terms)? Can someone please help me? Thank you! Well it does not matter what a is as a/b terminates if and only if 1/b terminates. 1/b terminates if and only if there exist proitive integers n, m such that: b=2^n 5^m. (I will leave it to you to prove this) RonL
View Tag Cloud