Answer:
21120
Step-by-step explanation:Because you take 5280 and multiply it by 4
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Step-by-step explanation:
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D
There are 1.61 km in 1 mi.
10 mi × (1.61 km/mi) = 16.1 km
the ground level is -2
hope this helps
Answer: 8. 3^4+n^4, 9. 7^3+m^4, and 10. s+2t^3.