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There are 24 hours in a day, and 365 days in a year. So you would first multiply

24 x 365, which = 8,760. You then multiply that by 45, which = 394,200, which is the number of hours in 45 years. To sum it up:

24 hours x 365 days x 45 years= 394,200 hours in 45 years

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12y ago

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