Calculate the precent error:

Question

The density of an aluminum block determined in an experiment was 2.69 g/cm^3. (True value 2.70 g/cm^3.)

I keep getting

.37% ish

Answer 1

0.37% is correct.
Percentage error
=(observed value-correct value)/Correct value * 100%
= -0.01/2.7*100%
=-0.37%

Answer 2

.702