Question

write 855.2 in scientific notation.

Explanation:

Step1: Move decimal point

Move the decimal point of 855.2 to the left until there is only one non - zero digit to the left of the decimal point. We get 8.552.

Step2: Determine exponent of 10

We moved the decimal point 2 places to the left. So the exponent of 10 is 2.

Answer:

$8.552\times 10^{2}$