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natima [27]
3 years ago
11

The kilopascal is a unit of measure for atmospheric pressure. Suppose the atmospheric air pressure at sea level is about 104 kil

opascals. For every​ 1000-m increase in​ altitude, the pressure decreases about 11.9​%. What is the approximate pressure at an altitude of 2000 ​m? The pressure at an altitude of 2000 m is about ___ kilopascals.
Mathematics
1 answer:
pentagon [3]3 years ago
6 0

Answer:

79\ kilopascal

Step-by-step explanation:

we know that

For every​ 1000-m increase in​ altitude, the pressure decreases about 11.9​%

so

at an altitude of 2000 ​m, the  pressure decreases about 2*11.9​%=23.8%

100\%-23.8\%=76.2\%=76.2/100=0.762

therefore

0.762*104\ kilopascal=79.248\ kilopascal

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