100 mrem/60 min × 10 min equals how many mrem?

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Multiple Choice

100 mrem/60 min × 10 min equals how many mrem?

Explanation:
Dose equals rate times time. The exposure rate is 100 mrem per 60 minutes. For 10 minutes, the dose is (100 mrem / 60 min) × 10 min = 1000/60 mrem ≈ 16.7 mrem, which rounds to about 17 mrem. The minutes cancel, leaving mrem. The other options would occur at shorter times (about 3 minutes for 5 mrem, about 6 minutes for 10 mrem) or zero time for 0 mrem.

Dose equals rate times time. The exposure rate is 100 mrem per 60 minutes. For 10 minutes, the dose is (100 mrem / 60 min) × 10 min = 1000/60 mrem ≈ 16.7 mrem, which rounds to about 17 mrem. The minutes cancel, leaving mrem. The other options would occur at shorter times (about 3 minutes for 5 mrem, about 6 minutes for 10 mrem) or zero time for 0 mrem.

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