Need answers immediately, thank you in advance!

Read the following two statements. then use the law of syllogism to draw a conclusion. if the tv is too loud, then it will give me a headache. if i have a headache, then i will have to rest.

How do you write something in scientific notation?

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents