ons &lt;= 5, <em>k</em> was labeled <em>n</em>.) Then, convert those numerics to a character-class string containing exponential notation in the following form:</p>
<pre><code>- A sign character
- A single leading non-zero digit
- A decimal point
- Up to *k*-1 remaining digits following the decimal, no trailing zeros
- A lowercase letter "e"
- A sign character
- The digits of the exponent, omitting trailing zeros</code></pre>
<p>Note (a): Zero can be positive (“+0.e+”) or negative (“-0.e+”).</p>
<p>