express this number in scientific notation. 0.5401

Explanation:

Step1: Move decimal point

Move the decimal - point one place to the right so that the number is between 1 and 10. We get 5.401.

Step2: Determine exponent of 10

Since we moved the decimal point one place to the right, the exponent of 10 is - 1.

Answer:

$5.401\times10^{-1}$