Question

at A certain temperature the speed of sound in the air is 330 meters per second. which of the following expressions would convert this speed into kilometers per second​

Answer 1

Answer:

0.3 km per second

Step-by-step explanation:

Kilo means one thousand, so you need to divide 330 metres by 1000 to get kilometres per second.

Answer 2

Answer:

Step-by-step explanation:

(330m/s)(km/1000m)=0.33km/s