Question

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.

Answer 1

4 * 10^6

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