c
4. A button cell is a power source which runs a wrist watch for one year
continuously. Calculate the number of times the second hand of the wrist watch
is moved by the button cell in a year.
a) 31536000
b) 32536000
c) 31546000 d) 31556000
Answers
Answered by
3
Answer:
Calculate seconds in year
= 365 days
= 365 * 24 hours
365 * 24 * 60 minutes
= 365 * 24 * 60 * 60 seconds
= 31536000 seconds
option A
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