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MMLU-Pro / 9853 / How many electrons would have to be removed from a coin to leave it with a…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

How many electrons would have to be removed from a coin to leave it with a charge of +1.0×10−7C+1.0 \times 10^{-7} \mathrm{C} ?
Plain-text mathematical notation (without MathML)
How many electrons would have to be removed from a coin to leave it with a charge of +1.0×10^(−7)C ?
Original LaTeX notation
How many electrons would have to be removed from a coin to leave it with a charge of $+1.0 \times 10^{-7} \mathrm{C}$ ?

category

physics

options

  1. $8.5 \times 10^{11}$
  2. $7.1 \times 10^{11}$
  3. $7.5 \times 10^{11}$
  4. $9.2 \times 10^{11}$
  5. $3.8 \times 10^{11}$
  6. $4.5 \times 10^{11}$
  7. $6.3$$10^{11}$
  8. $5.0 \times 10^{11}$
  9. $8.0 \times 10^{11}$
  10. $6.9 \times 10^{11}$

src

scibench-fund

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Source and history

Official source

initial import