The question is in the picture please actually explain the answer I been stuck on this for 30 minutes. When I check the equations none have infinite solutions.

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points