Question

Density is defined as mass per unit volume. A
solid cylinder has a diameter of 17.4 mm and
a length of 50.3 mm. Its mass is 49 g. What is
its density? Give your answer in metric tonnes
per cubic metre. (The metric tonne is 1000
kg.)
Enter your answer as a number, using the
appropriate number of sig figs. Do NOT
include units*
Density = _
tonnes · m-3​

Answer 1

Answer:

I get the density as 0.0041 grams/mm; then converted another e-6 for tons to 0.0000000041 but that's not right. Seemed like an easy question but I got mixed up here.