Question

1. the average distance of the moon from earth is 386,242,560 m. represent 386,242,560 in scientific notation. a. $3.86242560 \times 10^8$ b. $38624256 \times 10$ c. $3862425.60 \times 10^2$ d. $3.86242560 \times 10^{-8}$

Explanation:

Step1: Define scientific notation rule

Scientific notation is $a \times 10^n$, where $1 \leq a < 10$, $n$ is integer.

Step2: Adjust the given number

For 386242560, move decimal 8 places left:
$386242560 = 3.86242560 \times 10^8$

Step3: Match with options

Compare to the provided choices.

Answer:

A. $3.86242560 \times 10^8$