write the number 0.000039 in scientific notation. answer attempt 1 out of 2 answer: ×10 submit answer

write the number 0.000039 in scientific notation. answer attempt 1 out of 2 answer: ×10 submit answer
Answer
Explanation:
Step1: Move decimal point
Move the decimal point to get a number between 1 and 10. For 0.000039, we get 3.9.
Step2: Count decimal - point movement
The decimal point is moved 5 places to the right. Since the original number is less than 1, the exponent of 10 is negative. So the exponent is - 5.
Answer:
$3.9\times10^{-5}$