A calculator displays 2.788E10. How do you write 2.788E10 in scientific notation?

Answer 1

The notation $2.788E10$ is already in scientific notation. In this format, the number $2.788$ is multiplied by ${10}^{10}$.

To express it clearly, you can write:

$$2.788\times {10}^{10}$$

So, $2.788E10$ in scientific notation is $2.788\times {10}^{10}$.