1704000000 in scientific notation

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.

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