Does anybody have the answers for the 5.2.4 Practice: Modeling: Dot Plots, Box Plots, and Histograms​

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?

Prove that 16^4-2^13-4^5 is divisible by 11.

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is