The cost of 1 piece of gum is 1 cent. What is the cost of 1000 pieces of gum?
(A) $\$ 0.01$
(B) $\$ 0.10$
(C) $\$ 1.00$
(D) $\$ 10.00$
(E) $\$ 100.00$
Since 1 piece of gum costs 1 cent, then 1000 pieces of gum cost 1000 cents.

Since there are 100 cents in a dollar, the total cost is $\$ 10.00$.

ANSWER: (D)