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scientific calculators have scientific calculations such as scientific notation, but mechanical ones dont.
Well, adding x10 is scientific notation. Example:456-4.56x102. this is because there are two numbers before the decimal. another example:14945-1.4945x104. if you do not get it, I'm sorry. This is the best i can explain
What is the difference between 392 and 247?
the difference is also doubled
they express the numbers using scientific notation