0.000000000093 in scientific notation is 9.3 x 10 ^-11
explanation
Step 1 : move the decimal place to the right to create new number which is between 1 to 10 = 9.3
Step 2: Determine the exponent ( number of time you moved the decimal) = 11 times = -11 since the decimal is moved to the right.
Step 3: write the number into correct form of scientific notation.
= 9.3 x10 ^-11
