The number n is the produce of the first 1000 positive integers and can be written as 1000! .we say "1000 factorial."this is, n=1000! =.n is divisible by 5, 25, 125, of these factors is a power of 5.that is 5=5^1, 25=5^2, 125=5^3,625=5^4, and so on. determine the largest power of 5 that divides n.

Find the value of x for which the lines are parallel.

Solve the triangle. a = 21°, c = 105°, c = 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