0.0046 can be written in scientific notation as:

Explanation

To express 0.0046 in scientific notation, we want to represent it as a number between 1 and 10 multiplied by a power of 10.0.0046 can be written as 4.6 × 10-3 in scientific notation. This form indicates that 4.6 multiplied by 10-3 gives 0.0046.