Answer:
its a
Step-by-step explanation:
Answer: 2.7 hours
Step-by-step explanation:
3 x 54 = 162, 162 is how many miles the drive is. If he is going 60 mph you have to divide 162/60 and you get 2.7 hours
Answer:
5 - 2122 = -2,117
Step-by-step explanation:
When you're not sure how to add or subtract, you should probably just use a calculator.
-2,122 + 5 = -2,117
Photographing stars requires you to keep your exposure open for a long time. Taking pictures of star trails would take about 30 minutes to three hours. If you multiply that for the 6 stars stated above in the problem then you would be needing that much time if the stars were close and approximately 3 to 18 hours capture their star trails if they were far apart from each other.
