A glacier moves with a speed of 59 nm/s. How many years would it take for the glacier to move 0.87 km? Assume there are 365 days in a year.

470 years

Explanation:

.87km(1x10^12nm/1 km)(1s/59nm)(1 min/60s)(1hr/60min)(1day/24hrs)(1yr/365days)

.87 multiplied by 1x10^12

Previous answer divided by 59

Previous answer divided by 60

Previous answer divided by 60

Previous answer divided by 24

Previous answer divided by 365

Final answer is 470 years

Answer is then rouded to two significant figures because the .87 km is only two significant figures

Using these conversion factors each unit would cancel out until you get to years.

it about 600 mph from what i calculated

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