A rational number p/q (in lowest terms) has a terminating decimal expansion if the prime factors of q are:
Aonly odd primes
Bany prime numbers
Conly 2 and/or 5
Donly 3 and 7
Answer & Solution
Correct answer: C. only 2 and/or 5
p/q terminates iff the denominator's only prime factors are 2 and/or 5.
Keep practising Unit 1B3: Asymptotic Behavior and Infinite Limits
Browse all Unit 1B3: Asymptotic Behavior and Infinite Limits questions for AP Calculus AB, or explore more Mathematics topics.
Related questions
In a parallelogram HELP with diagonals intersecting at O: OE = 4 cm and the diagonal HL = The diagonals of a quadrilateral are PERPENDICULAR BISECTORS of each other but they are NOThe diagonals of a RHOMBUS are:In a parallelogram, two adjacent angles are in the ratio 3 : 2. The four angles of the parIn parallelogram PQRS, PQ = 12 cm and QR = 7 cm. The perimeter of PQRS is:The diagonals of a parallelogram:Is it possible to have a regular polygon in which EACH EXTERIOR angle is 22°?How many sides does a regular polygon have if each interior angle measures 165°?