Abird is flying at a height of 2 meters above the sea level. the angle of depression from the bird to the fish it sees on the surface of the ocean is 15∘. find the distance the bird must fly to be directly above the fish. round to the nearest ten

See the attached picture:

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents