$0.\overline{7}=0.777...\\\\x=0.777...\qquad\text{multiply both sides by 10}\\\\10x=7.777...\\\\\text{Make the difference}\\\\10x-x=7.777...-0.777...\\\\9x=7\qquad\text{divide both sides by 9}\\\\x=\dfrac{7}{9}\\\\Answer:\ \boxed{0.\overline{7}=\dfrac{7}{9}}\\-----------------\\You\ can\ remember\\\\\dfrac{1}{9}=0.\overline{1}\\\\\dfrac{2}{9}=0.\overline{2}\\\\\dfrac{3}{9}=0.\overline{3}\\\\\dfrac{4}{9}=0.\overline{4}\\\vdots\\\\\dfrac{8}{9}=0.\overline{8}$

8 0

3 years ago

Write each rational number as a repeating decimal -7/9

stepladder [879]

Answer:

0.777777777777777...

3 0

3 years ago

McDonald's has sold more than a billion hamburgers. if it were possible to eat a hamburger every day (day or night) without stop

vladimir1956 [14]

Answer:

694 445

Step-by-step explanation:

3 0

3 years ago