Solve. Round the answer to the nearest whole.
-An accidental spill of 80 grams of radioactive material in a local stream has led to the presence of radioactive debris decaying at a rate of $4 \%$ each day. Find how much debris still remains after 10 days.
A) $59 \mathrm {~g}$
B) $53 \mathrm {~g}$
C) $48 \mathrm {~g}$
D) $0 \mathrm {~g}$

Question

Quizplus · Accepted Answer

The decay formula is $ A = P(1 - r)^t $, where $ P = 80 $, $ r = 0.04 $, and $ t = 10 $. Calculating gives $ A \approx 53 $ grams.

Solve Round the Answer to the Nearest Whole 4%4 \%4% Each Day Find How Much Debris Still Remains After 10 Days

Solve Round the Answer to the Nearest Whole $4 \%$ Each Day Find How Much Debris Still Remains After 10 Days