What is the value of the digit Seven in the number 437,158,269 7 million 70 million 7 thousand 700 thousand

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

The measure of angle 0 is 600 degrees