user$\_$value is read from input as an integer. Using format specifications, output the following:

user$\_$value as an uppercase hexadecimal value

user$\_$value in exponent notation

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$1$ user$\_$value input $())$

hex$($user$\_$value$).$upper$()$

$4$ format$($user$\_$val, $\text{'}.2$f$\text{'})]$

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