The Number of Grams Q of a Certain Radioactive Substance

question 16

Multiple Choice

The number of grams Q of a certain radioactive substance present after t seconds is given by the equation . How many grams remain after 14 seconds? Please round the answers to the nearest whole.

• A) Q = 1,309 grams
• B) Q = 1,283 grams
• C) Q = 1,490 grams
• D) Q = 1,232 grams
• E) Q = 1,233 grams

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