Question

answer next two lines​

Answer 1

☹︎☹︎☹︎☹︎☹︎ ˢᵒʳʳʳʸ ᵈᵒⁿᵗ ᵏⁿᵒʷ

Answer 2

Answer:

$\frac{1}{{2}^{1}} + \frac{1}{{2}^{2}} + \frac{1}{{2}^{3}} + \frac{1}{{2}^{4}} = 1 - \frac{1}{{2}^{4}} = \frac{15}{16}$

$\frac{1}{{2}^{1}} + \frac{1}{{2}^{2}} + \frac{1}{{2}^{3}} + \frac{1}{{2}^{4}} + \frac{1}{{2}^{5} } = 1 - \frac{1}{ {2}^{5}} = \frac{31}{32}$

Step-by-step explanation:

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