Express 0.7.....
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Answered by
5
Correct Question :
- Express in form
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Let x = ---- [1]
- Multiply 10 to Both Sides of the Equation
10x = ---- [2]
- Subtract Equation [1] from Equation [2]
10x - x =
9x =
- Dividing Both Sides by 9
x =
Answered by
0
Answer:
Express \rm{0.7.......}0.7....... in \rm{\dfrac{p}{q}}qp form
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Let x = \rm{0.7777...}0.7777... ---- [1]
Multiply 10 to Both Sides of the Equation
\longrightarrow⟶ 10x = \rm{7.777...}7.777... ---- [2]
Subtract Equation [1] from Equation [2]
\longrightarrow⟶ 10x - x = \rm{7.777-0.777}7.777−0.777
\longrightarrow⟶ 9x = \rm{7}7
Dividing Both Sides by 9
\longrightarrow⟶ x = \rm{\dfrac{7}{9}}97
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