What is the product of 83 and 4.5 x 106 expressed in scientific notation?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).