Question

Please need help on this simple question on math

Answer 1

Answer:

To do this, you wold need to know the percent error formula.

Percent Error = (Actual value - Expected Value)/Expected Value x 100

Percent Error = (388 - 400)/400 x 100

P.E = (-12)/400 x 100

-0.03 x 100

-3%

(It could possibly positive, if they don't take negative)

Hope this helps!

Answer 2

-3% or it could be 3% as well