Likewise, a Richter Scale 7 earthquake is actually 100 times stronger than a Richter Scale 5 quake. This means that a Richter Scale 6 earthquake is actually 10 times stronger than a Richter Scale 5 quake. The actual energy from each quake is a power of 10, but on the scale we simply take the index value of 1, 2, 3, 4, etc rather than the full exponent quantity. The Richter Scale is used to measure how powerful earthquakes are. This is because these materials undergo exponential decay, and even a small amount of the material still remaining can be harmful. Many harmful materials, especially radioactive waste, take a very long time to break down to safe levels in the environment. Some examples of Exponential Decay in the real world are the following. There is a great set of instructions on how to do this at the following link:Ĭlick Here for M&Ms Exponential Graph Instructions In a “Decay” process the amount involved drops off fairly quickly at the start, but then the drop off becomes slower and slower.Ī typical Exponential Decay graph looks like this:Ī fun way to make an Exponential decay graph is to take a pack of M&M’s or Skittles and keep pouring them out of a cup, but each time removing any candies which land with the letter side showing. Using negative power values results in fractions, and when these fractions have exponents applied to them we get “Decay”. The opposite of “Exponential Growth”, is when we apply exponents to fractions which results in “Exponential Decay”. It only takes us nine square numbers to reach 100.Įxponential Growth situations when graphed look like the diagram below. Think of Square Numbers and how they quickly get bigger and bigger: ![]() The equations for graphs of these situations contain exponents, and this results in the graph starting off slow, but then increasing very rapidly.Įg. The situations we have been considering so far involve “Exponential Growth”. Picture this as a very steep exponential graph, compared to a burning match giving out energy in a fairly flat straight line graph. In explosions we get an uncontrolled massively increasing output of energy and force within a very short time period. This happens the same way that Viral Marketing branches out in ever increasingly wide branches of more and more people passing something onto more and more other people. Virus Illness, (as well as many email and computer viruses), can spread at ever increasing rates causing major widespread infected areas. Over the last few years there has been massive exponential increases in mobile phone usage and market penetration.Ĭonsumer Credit Debt has increased over recent years to record high levels.Įxponents are also part of Food Technology and Microbiology. ![]() ![]() With massive Population Growth comes massive use of Fossil Fuels for Industry, Heating, Electricity, and Transportation. The World’s Population is increasing at an extraordinary rate, especially in the devloping regions of Africa, India, and China. ![]() There has been an Exponential increase in the speed and power of computers over recent years, and by around 2030 computing power is predicted to match that of the human brain.Įxponents are critcally important in modern Internet based Sales and Marketing,Įxponents are important in Investing and Finance.Ĭompound Interest also works against people with a Credit Card debt they do not pay off, because the debt grows faster and faster each billing period and can quickly become out of control.Įxponents are the basis of “Demographics” (Population Growth) In this lesson we show several Real Life uses of Exponents, as well as their impact on our understanding of the modern world around us.Įxponents are fundamental, especially in Base 2 and Base 16, as well as in Physics and Electronics formulas involved in Computing. People who use Exponents are Economists, Bankers, Financial Advisors, Insurance Risk Assessors, Biologists, Engineers, Computer Programmers, Chemists, Physicists, Geographers, Sound Engineers, Statisticians, Mathematicians, Geologists and many other professions. Exponents, Index Numbers, Powers, and Indices are used in lots of parts of our modern technological world.Įxponents are used in Computer Game Physics, pH and Richter Measuring Scales, Science, Engineering, Economics, Accounting, Finance, and many other disciplines.Įxponential Growth is a critically important aspect of Finance, Demographics, Biology, Economics, Resources, Electronics and many other areas.Įxponential Decay is associated with Light, Sound, Sporting Fixtures, Dangerous Chemicals, and Radioactive Waste.
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