Respuesta :

Answer: Chun is incorrect. He made a mistake in step 2.

Step-by-step explanation:

Answer and Step-by-step explanation:

The guy above me is correct. I input it and got it right. I just answered this for points and for the future people who might be looking for it. Here is a screenshot I got from Khan Academy...

Hope this helps and a thank won't hurt! :)

Ver imagen ricardolabuda