Question

Does the FRW metric imply spacetime scales?

Answer 1

to measure the expansion of rate in space time there is FRW metric system in spacetime to measure the scales.

so as per your question does the frw metric space time scales.

A N S W E R

YES IT IS TRUE THAT THE FRW METRIC IMPLIES SPACETIME SKILLS

there are many such theories which are not still proven yet

Answer 2

yes it is true that the frw metric imply spacetime skills

details
to measure the expansion of rate of spacetime