They are different measurements
I feel like it is important, because it is always nice to learn about new things and keep your mind open, to expand your knowledge.
Answer:

Explanation:
Subscripts are numbers written after elements, subscripts indicate how many of each atom there are in a compound.
There are 600 hours.
explanation
each day has 24 hours and we want to know how much hours is equivalent to 25 days so we multiply 24 times 25 which is 600.
Covalent substances have weaker intermolecular attractions.