Respuesta :
9514 1404 393
Answer:
Step 4
Step-by-step explanation:
Step 4 should look like ...
[tex]\dfrac{2^3\cdot(-1)^{21}}{2^6}=\dfrac{-8}{64}=-\dfrac{1}{8}[/tex]
All steps up to that point are correct. Step 4 has the first error.
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Comment on the question
It took about 15 minutes to translate the mishmash provided in this problem statement into something sensible. A picture or math symbols are much preferred. At the very least, some line spacing or formatting of the text would be useful.