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26 January, 10:50

If NASA scientists use positive and negative numbers to represent the time surrounding a rocket launch, what would zero mean?

one hour before take-off

two minutes before take-off

the moment of take-off

two minutes after take-off

+1
Answers (2)
  1. 26 January, 10:55
    0
    Your correct answer is C: the moment of take off
  2. 26 January, 11:09
    0
    There's 3 stages: Before launch, launch, and after launch.

    Obviously, negative will be before launch, and positive will be after launch. Therefore, the only possible answer is the moment of take-off.
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