Question

A material has a density of 8.9 g/cm^3. You have 3 grams of the substance. How much space does it take up?

a. 0.3cm3

b. 3.0 cm3

c. 5.9 cm3

d. 27 g/cm3

*** I do not get how to solve this.. Am i supposed to use an equation or something?? Please explain!! Thank youuuu! :)

Answer 1

Hi!!! :) thank you soooooo much for coming again!! I am totally lost... do u understand it? :D

Answer 2

\[\Large density = {mass \over volume}\]

Answer 3

look at the units

Answer 4

so volume =?

Answer 5

sooo 8.9=3/??

Answer 6

i am confused... sorry! ;/

Answer 7

is 3 grams the mass?

Answer 8

yes

Answer 9

so i plug it in?

Answer 10

and i get...

Answer 11

like that? and i solve for the '?' which is the volume?? and my answer is the volume?? am i following correctly?

Answer 12

\[density = {mass \over volume} \]

that means: \[volume = {mass \over density}\]

yes, you are on the right track

Answer 13

so then you get 8.9x3=??

Answer 14

oh wait no i take that back!!! that's not correct huh?

Answer 15

no not multiplication...

Answer 16

so i should get 3/8.9??