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amaras215 amaras215
  • 28-02-2015
  • Mathematics
Answered

Describe the pattern in the equation. Then solve the equation.

0.3x + 0.03x + 0.003x + 0.0003x + ....= 3

Verified Answer :

konrad509
konrad509 konrad509
  • 28-02-2015

Each term is 10 times smaller than the previous one.

\(0.3x+0.03x+0.003x+0.0003x+\ldots=3\\ x(0.3+0.03+0.003+0.0003+\ldots)=3\\ x\cdot0.\overline{3}=3\\ x\cdot\dfrac{1}{3}=3\\ x=9\)

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