Question

What's a rule you could apply to any number that would predict which denominators will terminate

Answer 1

I believe it’s
Think/ pair/ share

Answer 2

9514 1404 393

Step-by-step explanation:

The decimal equivalent of a fraction will terminate if its denominator can be factored using only the prime numbers 2 and/or 5.

1/4 = 1/(2·2) will terminate

1/15 = 1/(3·5) will not terminate