Question

find rhe value of
$- 3 {}^{4}$
​

Answer 1

Answer:

81

Step-by-step explanation:

when power is even the - sign will be removed

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Answer 2

Answer:

When an equation is surrounded by a pair of $$ markers, it is displayed centered on its own line. The $$’s are primitive TeX markers. With LaTeX, it is often recommended to use the pair \[ and \] to enclose equations, rather than the $$ marker