Answer:
The correct answer is: 5 * 10 ^ -5
Step-by-step explanation:
Hello! Let's solve this!
To write a number in scientific notation, we have to grab, from the number to convert, the numbers that are between 0 and 9. Then we will count the places that we moved the point. If we move it to the left, the exponent of 10 is positive.
If, on the contrary, we move the point to the right, the exponent of 10 is a negative number.
In this case, the operation to be performed is: (6.32 x 10-4) ÷ 12.64 = 5 * 10 ^ -5
We conclude that the correct answer is: 5 * 10 ^ -5