Consider supplying a fixed amount of power P to a load. If each stage loses 10% of the power transmitted, after one stage you need to supply 1.1P, after the sec

Consider supplying a fixed amount of power P to a load. If each stage loses 10% of the power transmitted, after one stage you need to supply 1.1P, after the second stage, you must supply that power plus ten percent, and so on, so you need to supply 1.1^N P after N stages.