Question

how do you write 0.00082 in scientific notation?

Explanation:

Step1: Move decimal point

Move the decimal point of 0.00082 to the right until we get a number between 1 and 10. We get 8.2.

Step2: Count decimal - places moved

We moved the decimal point 4 places to the right. Since the original number is less than 1, the exponent of 10 will be negative. So the exponent is - 4.

Answer:

$8.2\times10^{-4}$