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. 181,440
B. 7
C. 36
D. 4,782,969


Answer: A

Mathematics

You might also like to view...

Solve the triangle.a = 11, b = 11, c = 8

A. A = 42.6°, B = 68.7°, C = 68.7° B. A = 69.7°, B = 69.7°, C = 40.6° C. A = 68.7°, B = 42.6°, C = 68.7° D. A = 68.7°, B = 68.7°, C = 42.6°

Mathematics

Provide an appropriate response.The expression (3 + 5) ÷ 2 contains parentheses. Are they necessary? Explain.

What will be an ideal response?

Mathematics

Evaluate the polynomial.3x5 - 3x4 + 2x3 - x2for x = 2

A. 56 B. 55 C. 60 D. 89

Mathematics

Name the quadrant in which the point is located.(2, -16)

A. Quadrant II B. Quadrant I C. Quadrant III D. Quadrant IV

Mathematics