Bob and Alice are siblings enrolled in a music class, which has a total of 25 students. All other students are unrelated to each other. Suppose four students need to be selected from this class to represent them at an event, but out of fairness, none of the selected students can be related to each other. How many ways are there to select the four students

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.