What is the scientific notation for 0.000128?
What is 1.28E-4 or 1.28*10-4 ?
To convert a number to scientific notation, follow these steps:
1. Count the number of decimal places between the first digit (non-zero) and the decimal point (including the digit itself).
In the case of 0.000128, there are five zeros and then the number 1 before the decimal point. Therefore, there are a total of 6 decimal places.
2. Write the number as a decimal greater than or equal to 1 and less than 10.
In this case, the decimal number would be 1.28.
3. Multiply the decimal number by 10 raised to the power of the number of decimal places from step 1.
In this case, since there are 6 decimal places, you multiply 1.28 by 10^6.
Therefore, the scientific notation for 0.000128 would be 1.28 x 10^-6.