A 22.0 mL volume of 0.095 M NaOH is required to reach the phenolphthalein endpoint in the titration of a 3.05 g sample of vinegar. Calculate the percent by mass acetic acid in the vinegar sample. Assume the density of the vinegar is 1.00 g/mL, MM of acetic acid = 60.05 g/mol​

in scientific notation, the value of the  speed of light in a vacuum

  will be written as 2.995 * 10^8. when this value is represented in the form of

  a * 10^b, then, a = 2.995 and b = 8.

the value of the speed of light in a vacuum given above can also be rounded up to approximately 300000000. in this case, the scientific notation will be written as 3 *10^8.