1X1010
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If you are adding or subtracting two numbers in scientific notation, you must rewrite one of the numbers to the same power of ten as the other, before performing the addition (or subtraction).
0.801 written in scientific notation is 8.01 x 10 to the negative 1 power
200,000 in Scientific Notation = 2 x 105
Very large and very small numbers are expressed in scientific notation
Using scientific notation reduces the need to write out very large or very small numbers as the following examples show:- 1,000,000,000,000 = 1.0*1012 in scientific notation 0.0000000001 = 1.0*10-10 in scientific notation