To get a number into scientific notation, we must move the decimal till the number is between 1 and 10.
0.000701 : we move the decimal 4 times to get it to 7.01
Now, since we moved the decimal 4 times to the RIGHT, our exponent has to be a negative.
7.01 * 10^(-4)
Final answer: 7.01 * 10^(-4)