Alicia and jeremy weigh a cell phone on a digital scale. they write down 113 but forget to record the unit. which unit is correct grams or kilograms? how do you know?

I'm sure the measurement was made in grams because:

1. most cell phones weigh between about 100 and 150 grams
2. there's no cell phone that weighs 113 kg, 113 pounds, 113 ounces etc.
btw this is not my answer its someone elses from 2014 but i know its correct