Karl has stamps in his desk drawer. The possible combinations of stamps are shown below. A 2-column table with 5 rows. The first column, the number of 45-cent stamps, has the entries 18, 20, 22, 25. The second column, the number of 65-cent stamps, has the entries 17, 15, 13, 10.
Which statement about the stamps is correct?

The total number of stamps is 25.
The total value of the stamps is $18.75.
The total number of stamps is 35.
The total value of the stamps is $19.15.

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.