How do you find the percent error of the measurement 11.56 cm?

1 Answer
Oct 7, 2016

Answer:

The absolute error is one half of the last decimal.

Explanation:

So in this case real value may be anywhere between:
#11.555 and 11.564999...# which would all be rounded to #11.56#

We write this as:
#11.56+-0.005#

The percent error would then be:

#0.005/11.56xx100%~~0.04%#