Question

write 0.002135 in scientific notation.

Explanation:

Step1: Move decimal point

Move the decimal point to get a number between 1 and 10. We get 2.135.

Step2: Determine exponent

We moved the decimal point 3 places to the right. So the exponent of 10 is - 3.

Answer:

$2.135\times10^{-3}$