An elephant has a mass of 6.8 × 10 3 kg. A blue whale has a mass of 1.71 × 10 5 kg. About how many times more massive is a blue whale than an elephant?

An entertainment firm offer serveral dj choices and light shows that range in price based on the rental time period. the djs cost between $219 and $369 per night and the light shows cost between $159 and $309 per night. if you are booking both a dj and a light show write a compound inequality that represents the possible total amount you would pay x