Which is the more precise measurement? explain. 6 hours, 14 days 14 days, because an hour is a smaller unit of measure than a day 14 days, because a day is a smaller unit of measure than an hour 6 hours, because a day is a smaller unit of measure than an hour 6 hours, because an hour is a smaller unit of measure than a day

Among the choices given, the sentence which explains a clearer insight about precise measurement is the last one. The answer to this question would be; 
6 hours, because an hour is a smaller unit of measure than a day. 

>> From the word itself "precise" meaning, accurate, only the last sentence of the the four sentences explains accurately regarding hour as a smaller unit than a day.