The distance from Neptune to Venus is 4.392\times 10^{9}4.392×10 9 kilometers. How long would it take a rocket, traveling at 4.72\times 10^{4}4.72×10 4 kilometers per hour to travel from Neptune to Venus? Round your answer to the nearest whole number of hours.

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.