Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
College Test Prep
/
CLEP
/
Use Change of Base and Logarithmic Models
Grade Level
CLEP
CLEPCA.250 Use Change of Base and Logarithmic Models
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
A quantity follows A = 500e^(-0.025t). About what percent remains after 30 years?
A
25.0%
B
52.8%
C
75.0%
D
47.2%
Submit Answer