Multiply and simplify.12 ? 
A. 
B. 
C. 2
D. 72
Answer: C
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Solve the problem.How many different three-number "combinations" are possible on a combination lock having 22 numbers on its dial? Assume that no numbers repeat. (Combination locks are really permutation locks.)
A. 1.7556 × 105 three-number "combinations" B. 9240 three-number "combinations" C. 1.0534 × 106 three-number "combinations" D. 3.5112 × 105 three-number "combinations"
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.
2
A. 4
B. -4
C. 
D. 
Decide whether or not the events are commutative.Setting the table and eating dinner.
A. No B. Yes
Solve the problem.A circular fountain has a statue in its center, 8 m from the edge. What is the distance around the fountain?(Use 3.14 for ? .)
A. 50.24 m B. 25.12 m C. 48.24 m D. 64 m