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Select all of the true statements.$\newline$Multi-select Choices:$\newline$(A) $7 \times 10^{-3}$ is $3.5$ times as much as $2 \times 10^{-4}$.$\newline$(B) $4 \times 10^{-7}$ is $0.01$ times as much as $4 \times 10^{-5}$.$\newline$(C) $9 \times 10^{1}$ is $3,000$ times as much as $3 \times 10^{-2}$.$\newline$(D) $8 \times 10^{4}$ is $3.5$$0$ times as much as $3.5$$1$.