Question

how do you write 0.00075 in scientific notation? × 10

Explanation:

Step1: Move decimal point

Move the decimal point of 0.00075 to the right until we get a number between 1 and 10. We get 7.5.

Step2: Determine exponent

We moved the decimal point 4 places to the right. For a number less than 1 in scientific - notation, the exponent of 10 is negative. So the exponent is - 4.

Answer:

$7.5\times10^{-4}$