Idon’t understand this question. and i also have to show my work, so

About 400,000 people visited an art museum in december. what could be the exact number of people who visited the art museum?

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

Write the following as a base and exponent