Solve the problem.A combination lock has 45 numbers on it. How many different 3-digit lock combinations are possible if no digit can be repeated?
A. 28,380
B. 1980
C. 85,140
D. 14,190
Answer: C
Mathematics
You might also like to view...
Solve the equation by completing the square.x2 + 3x - 9 = 0
A. 
B. 
C. {-3 ± 3
}
D. 
Mathematics
Multiply.(4x + 6)(4x - 5)
A. 8x2 + 4x - 30 B. 16x2 + 4x + 4 C. 8x2 + 4x + 4 D. 16x2 + 4x - 30
Mathematics
Prove the identity.
?
What will be an ideal response?
Mathematics
Provide an appropriate response.Convert the decimal .8343434... to a fraction by writing it as the infinite series 
A. 0.83434343 B. 0.82517483 C. 0.82682683 D. 0.826
Mathematics