What is the difference between the largest and smallest of the numbers in the list $0.023,0.302,0.203,0.320,0.032$ ?
(A) 0.090
(B) 0.270
(C) 0.343
(D) 0.288
(E) 0.297
We write the list in increasing order: $0.023,0.032,0.203,0.302,0.320$.

The difference between the largest and smallest of these numbers is $0.320-0.023=0.297$.

ANSWER:

$(\mathrm{E})$