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Which of these numbers is correctly written in scientific notation? 10.5x10⁹ 5x10⁴ 1.234x10¹¹ 1234x10-³

User Impostor
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Scientific notation is written in the form;


a*10^n

where;

a - is a real number whose absolute value is between 1 and 10.


1\leq a<10

And n is the power/ exponent(an integer).

The correct scientific notation from the options that follows the stated rule is;


1.234*10^(11)

User Ylev
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