Uranium-240 has a rate of decay of .0491593745. what is the mass of u-240 left after 10 hours, if the initial mass is 50 grams?

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 104 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 105 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.

Can someone me do math because i am having a breakdown rn because i don’t get it

The school board administered a math test to all students in grade 66 at high achievers charter school and determined that 15\%15% of them were below grade level in math. based on this data, which of the following conclusions are valid? choose 1 choose 1