If $2.4 \times 10^{8}$ is doubled, then the result is equal to
(A) $2.4 \times 20^{8}$
(B) $4.8 \times 20^{8}$
(C) $4.8 \times 10^{8}$
(D) $2.4 \times 10^{16}$
(E) $4.8 \times 10^{16}$
When $2.4 \times 10^{8}$ is doubled, the result is $2 \times 2.4 \times 10^{8}=4.8 \times 10^{8}$.

ANswer: (C)