Use the formula for Sn to find the sum for the geometric sequence.1, 2, 4, 8, 16
A. 33
B. 31
C. 32
D. 21
Answer: B
Mathematics
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Solve.How many ways can a president, vice-president, and secretary be chosen from a club with 12 members?
A. 6 B. 36 C. 1320 D. 220
Mathematics
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 7
B. 
C. 7
D. 
Mathematics
Replace the ? with the correct symbol >, <, =.-27
33
A. > B. < C. =
Mathematics
Is the set of even natural numbers closed for the operation of multiplication?Answer yes or no.
What will be an ideal response?
Mathematics