Find the indicated quantity for an infinite geometric series.a1 = 2, r = 4, S = ?
A. - 
B. 6
C. Does not exist
D. -6
Answer: C
Mathematics
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Solve the problem.A model of a pyramid has a square base 450 cm on a side and a height of 
Find the volume.
A. 34,000,000 cm3 B. 11,000,000 cm3 C. 11,500,000 cm3 D. 9,500,000 cm3
Mathematics
Write the phrase as a mathematical expression. Use x as the variable.A number divided by -19
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula 
, as needed.Find the pH if [H3O+] = 1.0 × 10-6.
A. -8 B. -6 C. 6 D. 8
Mathematics
Write in exponential form. Assume all variables are positive real numbers.
A. x3/5 B. x5/3 C. 5x3 D. 3x5
Mathematics