Solve the problem.How many different 7-letter codes are there if only the letters A, B, C, D, E, F, G, H, and I can be used and no letter can be used more than once?
A. 7
B. 4,782,969
C. 36
D. 181,440
Answer: D
Mathematics
You might also like to view...
Solve . Round the answer to three decimal places.2x = 17
A. 8.500 B. 0.245 C. 2.140 D. 4.087
Mathematics
Evaluate the determinant.
A. -1 B. -7 C. 5 D. -5
Mathematics
Find all real numbers in the interval [0, 2?) that satisfy the equation. sin x cos x = 
A. 
B. 
C. 
D. 
Mathematics
Write the percent as a decimal.35.1%
A. 0.0351 B. 0.351 C. 3.51 D. 35.1
Mathematics