A human hair has a diameter of about 4×10−3 inches. A fingernail is about 0.011 inches thicker. How thick is a fingernail? Write your answer as a decimal to 3 places.(1 point)
inches
To find the thickness of a fingernail, we need to add the thickness of a hair (4×10^-3 inches) to the thickness of a fingernail (0.011 inches).
4×10^-3 + 0.011 = 0.015
Therefore, a fingernail is 0.015 inches thick.