The closest distance towards venus to the sun is about 46,000,000 kilometers. the closest distance from neptune to the sun is about 4.5 x 10^9 kilometers. about how many times closer to the sun is venus than neptune? write your answer in standard notation

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?