What is the output from the following print statements, assuming

float myFloat $=45\mathrm{.}1342$f;

$1)$

System.out.printf$("\%+\mathrm{.}5$f$",$ myFloat$)$;

$+45\mathrm{.}13420$

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$+45\mathrm{.}13420$

The $+$ indicates a $+$ should output before a positive number, and $\mathrm{.}5$ indicates $5$ digits should follow the decimal point.

$2)$

System.out.printf$("\%\mathrm{.}3$e$",$ myFloat$)$;

$4\mathrm{.}513$e$+01$

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$4\mathrm{.}513$e$+01$

e is used to display float values in scientific notation, $\mathrm{.}3$ specifies the digits to print following the decimal point

$3)$

System.out.printf$("\%09\mathrm{.}2$f$",$ myFloat$)$;

$00000045\mathrm{.}13$