The Number of Grams Q of a Certain Radioactive Substance $Q = 7,000 e ^ { - 0.1 t }$

Multiple Choice

The number of grams Q of a certain radioactive substance present after t seconds is given by the equation $Q = 7,000 e ^ { - 0.1 t }$ . How many grams remain after 17 seconds? Please round the answers to the nearest whole.

A) Q = 1,355 grams
B) Q = 1,329 grams
C) Q = 1,536 grams
D) Q = 1,278 grams
E) Q = 1,279 grams