Solve the problem.
-A particular substance decays in such a way that it loses half its weight each day. How much of the substance is left after 7 days if it starts out at 16 grams?
A) 4 grams
B) $\frac { 1 } { 8 }$ gram
C) $\frac { 1 } { 4 }$ gram
D) 8 grams

Question

Quizplus · Accepted Answer

The substance halves its weight each day, so after 7 days, it would be $16 \times (\frac{1}{2})^7 = 16 \times \frac{1}{128} = \frac{1}{8}$ gram.

Solve the Problem 18\frac { 1 } { 8 }81​ Gram C)

Solve the Problem $\frac { 1 } { 8 }$ Gram
C)