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What is the best estimation of the equation 78−611 ? Drag the numbers into the boxes. Numbers may be used once, twice, or not at all.

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To estimate the equation \(78 - 611\), you can round the numbers to get a simpler calculation.

  1. Round \(78\) to \(80\).
  2. Round \(611\) to \(600\).

Now perform the subtraction:

\(80 - 600 = -520\).

So, the best estimation for \(78 - 611\) is approximately \(-520\).

If you're looking to drag numbers into boxes for a specific format, I assumed that you might want to use \(80\) and \(600\) in boxes. Please let me know the format you’d like to use, and I can help further!