The average depth of the Arctic Ocean is 4 x 10^3 feet while the average depth of the Atlantic Ocean is 1.2 × 10^4 feet. How many times more deep is the Atlantic Ocean than the Arctic Ocean?

3 times as deep.

Step-by-step explanation:

(1.2 x 10^4) / (4 x 10^3)

= 0.3 x 10^1

= 3

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: