The galaxy will be D = 84.96 km far away
Hubble's law, which says simply that a galaxy's velocity (or as is sometimes plotted, its redshift) is directly proportional to its distance, also tells us something important about the state of the universe. If the universe is static and unchanging, there should be no correlation between distance and velocity.
Recessional velocity is the rate at which an extragalactic astronomical object recedes (becomes more distant) from an observer as a result of the expansion of the universe. It can be measured by observing the wavelength shifts of spectral lines emitted by the object, known as the object's cosmological redshift.
V (r) = H * D + V pec
6000 = 69.8 * D + 70
5930 / 69.8 = D
D = 84.96 km
The galaxy will be D = 84.96 km far away
To learn more about Hubble's law here
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