Hey if you could that be great i've stuck on this for awhile

Conversions aren't bad until you have to deal with the cubed and squared versions of them!! Remember that there are 100 cm in 1 meter.  If that be the case, then there are 100cm*100cm*100cm (100cm^3) in m*m*m (1 meter cubed).  We will use that in our conversion then: .  The cm^3 cancels out leaving m^3 over m^2 which is what we want.  Doing the math now we get , or

The first option would be correct if it were one half and not one