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Transcript of Scientific Notation
January 29, 2013
6th Hour Scientific Notation Who Discovered Scientific Notation? What is the history behind Scientific Notation? History Of Scientific Notation History of Archimedes How did I use Scientific Notation in class? A man named Archimedes Archimedes, who discovered Scientific Notation was a mathematician and Greek inventor who was born in 287 B.C., in Syracuse, Greece and died in 212 B.C. Archimedes studied at the Egyptian city of Alexandria and then at the center of the scientific world. Archimedes had very much knowledge of mathematics and he used it to calculate the number of grains of sand in the universe for King Gelon. Which was 1 followed by 63 zeros. Back then, their universe was very different than ours is now, but Archimedes performed his calculations with Greek letter numerals, because Scientific Notation had not been invented yet. Now we all know that it is impossible to calculate the number of grains of sand on the universe, but the story shows how long scientist have been interested in quantities ranging in size from Scientific Notation. Converting standard form into scientific notation
Adding, subtracting, multiplying, and dividing in Scientific Notation
Comparing numbers in Scientific Notation (greater or least)
How to evaluate a Scientific Notation problem What is Scientific Notation? Scientific Notation is a way to represent really large or really small numbers in a shorter way; the format is n x 10#, where n has to be between 1 and 10. Examples of Scientific Notation 320,000,000 Add the following in Scientific Notation 1. add 1 to the exponent 3, so both of the exponents are equaled out. 1. you would place a decimal point after the first non-zero number and eliminate all the zeros. 2. starting at the decimal point, see how many times it takes to move the decimal point to the end of the number. That will be your exponent on 10. Put the following number in Scientific Notation. 320,000,000 = 3.2 Put everything together and you will get your answer. 2. Now that you have equaled out the exponents, you need to move the decimal point 1 place to the left because you added 1 to the exponent 3. (1.9 is now .19) 3. Now you will add 5.2 and .19 together. you should get the answer of 5.39 4. because you already equaled out the exponents, they will stay the same (4). Put everything together and you will get your answer. How can you use Scientific Notation in everyday life? If you where an astronomer, then you would use Scientific Notation to calculate distance or speed. For example, if I was measuring the distance from the earth to the moon, which is 238,900 miles, I could use scientific notation and just say 2.389 x 10 to the 5th power miles. If you where a chess player, you could use Scientific Notation by calculating all of the possible games that you could play. Lets say there is 12, 000 possible ways to play a chess game. In Scientific Notation, all you would have to say is 1.2 x 10 to the 4th power. If you where a physicist, it is important to know the speed of light. Which is 300,000,000 meters per second. Instead of writing that big number, they simply put it in Scientific Notation as 3 x 10 to the 8th power meters per second. Bibliography of the Sources That i Used Thank you for watching my prezi on Scientific Notation, I hope you learned new things and had fun. Huber, Mark. "Re: How Did Scientific Notation Get It's Name?" Re: How Did Scientific Notation Get It's Name? MadSci Ne"Who Discovered Scientific Notation?"
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