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ARC-Challenge / Mercury_SC_407400 / A class plans an investigation to see which brand of light bulb lasts the…

Problem

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question

A class plans an investigation to see which brand of light bulb lasts the longest. Which of these steps should come first?

choices

Repeat the investigation.
Write a report of the results.
Make a table for recording data.
Make daily observations of the light bulbs.

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Source and history

upstream_id / Original problem ID: Mercury_SC_407400
task_id: ba597c1e-8cca-582a-a70d-9a90606ea250
task_key: ARC~2dChallenge--test--Mercury~5fSC~5f407400
task_revision_id: 2
config / split: ARC-Challenge / test

Official source

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