How do you write 390 in scientific notation?

Answer 1

To write 390 in scientific notation, you express it as a number between 1 and 10 multiplied by a power of ten.

In this case, 390 can be written as:

\[ 3.90 \times 10^2 \]

Here, you move the decimal point two places to the left, which is why you multiply by \(10^2\).