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Anettt [7]
2 years ago
5

Nine seconds elapsed from the time Mark saw the lightning until he heard the thunder. The lightning was about how many kilometer

s from Mark? (Sound travels about 331 meters per second in air.)
Mathematics
1 answer:
Alex2 years ago
7 0
The lighting was about 2.979 kilometers away from Mark
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alekssr [168]

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4 0
3 years ago
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Reil [10]

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6 0
3 years ago
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vichka [17]
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3 years ago
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