The United States has a total area of 3,796,742 square miles. Estimate the total square area as a single digit times a power of
10. (use rounding and then convert it into scientific notation)
Show work.

4 * 10^6

Step-by-step explanation:

3,796,742 is about 4,000,000

4 * 10^? = 4,000,000

4 to 4,000,000 is an extra 6 zeroes

? = 6

4 * 10^6

A keeper is someone who is responsible for something, especially a property or a lot of animals. A keeper might take care of a big summer house during the winter months. You can use keeper to mean "caretaker", someone whose job involves maintaining a house, farm, estate, or grounds.

Hope it helps :)