Drag the tiles to the boxes to form correct pairs.
use the hertzsprung-russell diagram to determine which condition describes each star. use the arrows to you locate the stars.

a. procyon b

b. polaris

c. vega

1.it is fusing hydrogen at its core.

2.it has lost its outer shell and retained only a hot core that is slowly losing its brightness.

3.its temperature has decreased, but it is shining brighter than before.

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.

He traveled 110miles  all you really have to do is break the problem down enjoy your answer