I'm pretty sure that the 'British' billion was 1,000,000,000,000 (ie a million million) whereas the US one that has now been adopted is 1,000,000,000 (a thousand million).
reasoning based on a few basic truths by using deductive reasoning based on a few basic truths by using deductive reasoning based on empirical evidence. Sir Francis Bacon believe basic laws of science should be determined by using deductive reasoning based on empirical evidence. Expert answered| imYoung |Points 346|.
Johannes Kepler devised his three laws of motion from his observations of planets that are fundamental to our understanding of orbital motions.