Question

A submarine is at 23 feet below the sea level then it moves up by 10 feet .what level is the submarine now?
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Answer 1

Answer:

13 feet below the sea level

Answer 2

Answer:

13 feet below the sea level

Step-by-step explanation:

Over here, as mentioned the submarine is 23 feet below the sea level so we can take it as -23 feet.

When it moves up by 10 feet it goes close to the sea level which is -23 + 10

this will give -13 feet or 13 feet below the sea level

Hope it helps you