The Empire State Building is 1,454 feet tall (if you include the lightning rod). If a piece of gum is dropped from the top, how many seconds will it take for the gum to hit the street assuming no air resistance?

10 * 563.67 = 5636.7

the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

hope this ! ^w^

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons