Question

how do you write 2,220 in scientific notation? × 10

Explanation:

Step1: Move decimal point

Move the decimal point in 2220 to the left until there is only one non - zero digit to the left of the decimal point. We get 2.22.

Step2: Determine exponent of 10

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

Answer:

$2.22\times 10^{3}$