Question

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

Answer 1

I believe that the answer to this the moment before take off.

Hope this helped and have a wonderful day!

Answer 2

the moment of take-off

Explanation:

it is in-between before and after take off