Question

badwater basin, california, has the lowest elevation in north america. it is 279 feet below sea level. new orleans, louisiana, is 7 feet below sea level. how much higher is new orleans than badwater basin?
□ feet
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Explanation:

Step1: Represent elevations as negative numbers

Badwater Basin: $-279$ feet (below sea level), New Orleans: $-7$ feet (below sea level).

Step2: Calculate the difference

To find how much higher New Orleans is, subtract Badwater's elevation from New Orleans': $(-7) - (-279) = -7 + 279 = 272$.

Answer:

272