Evaluate the expression.
A. 362,880
B. 40,320
C. 336
D. 5040
Answer: B
Mathematics
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Express the number in scientific notation.2500
A. 2.5 × 10-2 B. 2.5 × 10-3 C. 2.5 × 103 D. 2.5 × 102
Mathematics
Find dy/dx by implicit differentiation. If applicable, express the result in terms of x and y.(y2 + 3)3 = x3y - 4
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation.(4x6 + 8x5 - 3x4 + 5) + (7x6 - 3x5 - 4x4 - 9)
A. 9x30 - 4 B. 11x6 + 5x5 - 7x4 - 4 C. 11x12 + 5x10 - 7x8 - 4 D. 2x6 + 2x5 - 5x4 + 15
Mathematics
Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula 
, as needed.Find the pH if [H3O+] = 7.7 × 10-5.
A. 5.9 B. 4.1 C. -5.9 D. 4.6
Mathematics