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A student wants to compare how long a flashlight will continue to shine using different brands of batteries. How can the student make sure that the test is fair?
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A student wants to compare how long a flashlight will continue to shine using different brands of batteries. How can the student make sure that the test is fair?

User Guilhebl
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5.9k points

2 Answers

4 votes

Answer:

THE TYPE OF FLASHLIGHT USED

Step-by-step explanation:

User Martin Gergov
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5.2k points
4 votes

Answer:

start with unused fresh out of the pack batteries

User Hopewell Mutanda
by
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