2
PLES
Tanisha and Neal are simplifying the expression
They each began the same way.

Tanisha's Work
Neal's Work
15
1
ES
Which statements are true about each person's work? Check all that apply.
Tanisha correctly simplified the power of a product in her first step by adding exponents.
Tanisha's next step is to apply the power of a product.

Tanisha's work is correct.

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