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This question already has an answer here:

I don't how to write the powers or the exponents and the other mathematical expressions

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marked as duplicate by user61527, Ayman Hourieh, Alexander Gruber May 11 '14 at 19:06

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

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You write exponents like so:

$\$$(base of exponent)^(power)$\$$

For example, 2 to the power of 5 would be written as $\$$2^5$\$$. That looks like $2^5$

I recommend reading the MathJax tutorial for a full guide on how to type these symbols.

http://www.meta.math.stackexchange.com/questions/5020/mathjax-basic-tutorial-and-quick-reference

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    $\begingroup$ let's try and see .. $5^8$ $\endgroup$ – Maher May 11 '14 at 19:08
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    $\begingroup$ thanks ........... $\endgroup$ – Maher May 11 '14 at 19:09
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    $\begingroup$ @Maher: Note that to write exponents longer than a single character, you need to use braces: 2^10 is $2^10$ but 2^{10} is $2^{10}$. (Of course, you can write $2^{9}$ as 2^{9} as well.) $\endgroup$ – Rahul May 11 '14 at 23:07
  • $\begingroup$ How do you do a paper to a negative letter? I.e. 5 to the power of minus $t$? Thanks. $\endgroup$ – itshanks Nov 19 '16 at 11:03
  • $\begingroup$ You write it as $5^{-t}$. $\endgroup$ – Pablo Ivan Dec 19 '16 at 22:12
  • $\begingroup$ @PabloIvan Could provide the MathJax code for negative powers? $\endgroup$ – Gnoliz May 30 '18 at 6:14
  • $\begingroup$ The code is 5^{-t} $\endgroup$ – Pablo Ivan May 31 '18 at 11:41
  • $\begingroup$ \$5^{2}\$ is the way to write exponents, $5^{2}$ . $\endgroup$ – Henok Tesfaye May 16 at 8:39

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