If EE $=7\mathrm{.}50$V$7\mathrm{.}50$V and r$=0\mathrm{.}45$r$=0\mathrm{.}45,$ find the minimum value of the voltmeter resistance RVRV for which the voltmeter reading is within $1\mathrm{.}0\%$ of the emf of the battery.

Express your answer numerically $($in ohms$)$ to at least three significant digits.

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RVRV $=$

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