Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
College Test Prep
/
ACT Prep
/
Fundamental Counting Principle and Factorials
Grade Level
ACT Prep
ACTM.231 Fundamental Counting Principle and Factorials
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
A 6-question true-or-false quiz has at least one False answer. Which expression counts the possible answer keys?
A
2
5
B
2
6
- 1
C
2
6
D
6 × 2 - 1
Submit Answer