1 hour=60 minutes
1 day=24 hours=1440 minutes
1 week=7 days=10080 minutes
Assuming that the label only covers the body of the cylinder and not the circular faces on the top and bottom.
Answer:
The principal square root of -4 is 2i.
Step-by-step explanation:
= 2i
We have the following steps to get the answer:
Applying radical rule 
We get 
As per imaginary rule we know that 
= 
Now 
Hence, the answer is 2i.
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