0.0002 in scientific notation

2 * 10 ^-4

Step-by-step explanation:

We need the first number to be between 1 and less than 10

.0002

2 * 10 ^ exponent

We move the decimal 4 places to the right. Since we move it to the right the exponent is negative and is the number of places we moved the decimal

2 * 10 ^-4