a box containing 6 candy bars weighs 2.34 kg.When the box is empty it weighs 0.06 kg. find the weight of one candy bar?

my answer is 0.38 am i right if not please tell me why and how.

Yes and no. Yes, 0.38 are the right digits but you didn't add the units. The weight is 0.38 kg for one candy bar.