Question 676172
{{{2-2^3-2^-5-2^-1}}}
...
{{{2 - 8 - (1/2^5) - (1/2)}}}
...
{{{-6 - (1/32) - (1/2)}}}
...
{{{-6(32/32) - (1/32) - (1/2)(16/16)}}}
...
{{{(-192/32) - (1/32) - (16/32) = -209/32 = highlight_green(-6.53125)}}}

.....................
Delighted to help; feel free to email if you have further questions.
HomeworkHelpers@readingboosters.com
-Reading Boosters
Website: www.MyHomeworkAnswers.com 
Wanting for others what we want for ourselves.