Thank you for the opportunity to help you with your question!
A) There are 5 numbers next to our first number, so our power of 10 is 5. Now we just need to find out what number times 10^5 equals 360,000. It's 3.6, so our number in scientific notation is 3.6*10^5 miles.
B) To find the time we simply divide the distance by the speed of our rocket:
(3.6*10^5 miles) / (4*10^4 miles per hour) = 9 hours
So it will take the rocket 9 hours to reach the moon.
Please let me know if you need any clarification. I'm always happy to answer your questions.
Sep 22nd, 2015
Studypool's Notebank makes it easy to buy and sell old notes, study guides, reviews, etc.