# Algerbra in Astrophysics

## Main Question or Discussion Point

I am realy quite terrible at rearranging equations, I wonder if anyone could help?

How can I rearrange : m-M=5log10(d/10) to give d=?

Thanks for any imput.

Related Astronomy and Astrophysics News on Phys.org
Cyosis
Homework Helper
First divide by 5, $(m-M)/5=\log_{10}(d/10)$. To get get rid of the log_10 you take 10^ on both sides.

$$10^{\frac{m-M}{5}}=\frac{d}{10}$$

Now multiply by 10.

Cheers! This helps alot!

what is this simple calculation has to do with "Astrophysics" ...???

what is this simple calculation has to do with "Astrophysics" ...???
This is the calculation for magnitudes. It's the bane of all new undergraduate astrophysics students :tongue:

Wallace