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Algebra Difficulty 1.0 Junior Find the answer Canada

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) $4.8 \times 10^{16}$

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.