Find an equation for the line below. plzzz help ASAP!!

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

How to find the exponential function y=ca^x, with points (1,2) and (2,1)