How far will sound travel through air at 20°C in 1.00×10−3 s?

3.4×10−1 m
3.4×10−3 m
3.4×100 m
3.4×101 m

Speed of Sound Waves in Various Media
Medium m/s
Air (0°C) 331
Air (20°C) 343
Helium (0°C) 972
Water (25°C) 1,493
Seawater (25°C) 1,533
Copper (25°C) 3,560
Iron (25°C) 5,130

Question

How far will sound travel through air at 20°C in 1.00×10−3 s?

3.4×10−1 m
 3.4×10−3 m
 3.4×100 m
 3.4×101 m

Speed of Sound Waves in Various Media
Medium m/s
Air (0°C) 331
Air (20°C) 343
Helium (0°C) 972
Water (25°C) 1,493
Seawater (25°C) 1,533
Copper (25°C) 3,560
Iron (25°C) 5,130

jennylove · Answer

A?

justjm · Answer

I got that too but their sig figs are wrong I believe

jennylove · Answer

why do you say that? what did you get?

justjm · Answer

It's all correct, but ideally it would be 3.43 x 10^-1 because there are 3 sig figs. It doesn't matter, it's correct (: I was just pointing a thing out

jennylove · Answer

oh okay lol, yeah sig figs can throw some things off!