How much work is required to lift a 3.7-kg concrete block to a height of 2.7 m?

Answer 1

M g h.

g is the acceleration of gravity
M is the mass
h is the height change

Answer 2

is this correct 9.8*3.7*2.7=97.90

Answer 3

If you put a J (or Joules) after it, then yes