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Multiply 7 by 8 to get 56. Add the exponents 17 and -28 to get -11. The result is 56 * 10^(-11). Adjust the decimal point left one place to get 5.6 * 10^(-10).
If so, the calculator is either set to scientific notation mode OR the result was an answer that was too big to display on the calculator, so it converted it to scientific notation. To convert from scientific notation back to regular notation, move the decimal to the right by the number of times after the E. In this case, the number after the E is 12, so we have to move the decimal to the right 12 times. In this case, I get the final answer as 10 837 248 748 900.
All calculator use scientific notation if the result is too small or too large. Some, like the Casio FX9750G II, offer you two Normal displays, Norm1 and Norm2 that have different limits when numbers are converted to scientific notations. Here is how to set one or the other. In Run>Mat press SHIFT MODE (Setup). Scroll down or up to reach the display line. Press F3 to select Norm1 or Norm2.
The "problem" is not how to calculate with numbers expressed in Scientific Notation but how to enter a number given to you in scientific notation. Once the number is entered you do not have to do anything special. If you have to multiply it use the (x) button. to add it use the + button, etc.
How to enter a number in scientific notation.
Type in the mantissa (example 6.022) Press the [X10^x] at the bottom of keypad. Enter the exponent (example 23) with this example you will have entered Avogadro's number 6.022x10^23 Other example 1.6 [X10^x] (-) 19 enters the electron charge in Coulombs. The exponent is negative that is why you press the change sign key (-).
Press 2nd [SCI] to switch the calculator to display all results in scientific notation. The results are the same whether you do it in scientific notation or not, it's just how the number is displayed.
Unfortunately, you don't. For numbers whose magnitudes differ too greatly from 1, the calculator automatically switches to scientific (or engineering) notation. You can press MODE and change the display settings, but there is no setting that will force the calculator to show this number without an exponent.
Hello, Your notation expression contains an extra symbol ( either the - or the second x). If I enter (1.9x10^10)x453.6/163871 I get 5.262148845 x 10^7 about 5.3 x10^7 If I enter (1.9x10^10 - 453.6)/163871 I get 1.159 x 10^5. Your result is off by a factor of 100 to 10000. As to the scientific display mode, you set it by pressing [MODE][->][SCI][ENTER] [2nd][QUIT]. You can leave the Float option to 9 digits if you want.
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