Factors of 20abc are 4  × a ×b × c

20 × a × b

2×2 × 5 × a × b × c

5 × b × c​

What is another way to express 36 +32

Can someone answer this question for me

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