Write using exponential notation.5 × 5 × 5 × 5
A. 52
B. 45
C. 54
D. 20
Answer: C
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Identify a method whereby a random sample can be selected from the population.An investment club wants to randomly select 10 of its members to receive product samples sent by companies whose stock the club owns.
A. Have each member write his or her name on a piece of their own paper and fold it themselves. Put the pieces of paper into a box, mix thoroughly, and ask one of the members to look into the box and choose 10 pieces of paper. B. Choose every 5th member to arrive at the next meeting until 10 members have been selected. C. Write the name of each member on a slip of paper. Make sure all slips of paper are the same size and shape. Fold the papers in exactly the same way, put them in a box and mix thoroughly. Without looking, select 10 slips from the box.
Solve the absolute value equation.
= 
A. x = - 
, - 
B. x = - 
, 
C. no solution
D. x = - 
Solve the problem.A picture, including its frame, measures 
by 
. The picture inside the frame measures 
by 
. Evaluate for x = 10 the polynomial that gives the area of the border around the picture.
A. 200 B. 150 C. 250 D. 100
Evaluate the expression or indicate that the root is not a real number.
A. 14
B. 
C. 38,416
D. Not a real number