A strand of hair has an average mass of 2.17x10^-5 ounces. A grain of rice has an average mass of 0.002 ounces. How much heavier is a grain lf rice than a strand of hair? Express your answer in scientific notation.
1 answer
To find the difference in mass between a grain of rice and a strand of hair, we subtract the mass of the hair from the mass of the rice: 0.002 ounces - 2.17x10^-5 ounces = 0.0019823 ounces. This can be written in scientific notation as 1.9823x10^-3 ounces.
1 answer