<span>During the nineteenth century, the term floaters referred to</span>
I would say grams because measuring a phone in kilograms would (most of the time) give a 0.# Answer. THIS IS NOT A EXPERT ANSWER, IT IS A THEORY. I think that measuring a phone in grams is the better option.
Sorry if incorrect, I am also learning
Rich Romans borrowed and lent money to each other, and some stored their money in banks. The Roman government made money by fighting wars and by charging taxes on things that people bought. When the Romans took over another country, the people living there had to pay taxes to Rome.