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![Brenner Haverlock](https://secure.gravatar.com/avatar/763159504cff19e053eea26d4f43a869?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Brenner Haverlock
478 PointsHow do you println the float in this
What am I doing wrong
float radius = 14.5;
printf "A ball with the radius of %f radius inches";
1 Answer
![Jeremy Hamilton](https://secure.gravatar.com/avatar/e5733e78a2e8324143496235678a81fb?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Jeremy Hamilton
704 PointsWhat you're looking for is to make sure that you're assigning a value to that %f like this:
float radius = 14.5;
printf ("A ball with the radius of %f inches", radius);
This tells the printf function that the %f called in it is referring to the value of radius.