A standard train ticket in a certain city costs 3 per ride. People who use the train also have the option of purchasing a frequent-rider pass for 18.75 each month. With the pass, a ticket costs only 2.25 per ride. How many train rides in a month make the frequent-rider pass a better deal than standard train tickets? a. 26 or more rides

b. 24 or more rides

c. 25 or more rides

d. 27 or more rides

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 10^4 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 10^5 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.