Asked by sherry
A submarine enters the sea at an initial speed of 2 meters per minute. The submarine's speed triples every minute. What is the submarine's speed after 5 minutes?
Answers
Answered by
Reiny
now --- 2 m/min
after 1 min --- 6 m/min
after 2 min --- 18 m/min
after 3 min --- 54 m/min
after 4 min --- 162 m/min
after 5 min --- 486 m/min
after 1 min --- 6 m/min
after 2 min --- 18 m/min
after 3 min --- 54 m/min
after 4 min --- 162 m/min
after 5 min --- 486 m/min
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