Running, walking, hopping a distance. Multiple trials with a stopwatch Once complete determine your accuracy and your precision of your timed trials .

what is the general relationship between a galaxy's distance from earth and its speed?

the answer is:

the farther away a galaxy is from us, the faster it is moving away from us.

the formula mass of a molecule or a compound is the sum of the atomic weights of the atoms in its empirical formula

(that's what i know about formula mass)

answermeridional ;