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Describe the relationship between the terms in the geometric sequence 4, 16, 64, 256.

• A. Adding 12 to the previous term.
• B. Multiplying the previous term by 3.
• C. Multiplying the previous term by 4.
• D. Multiply the previous term by 6.

What is the 6th term of the geometric sequence 2/25, 2/5, 2, 10 ….?

• 25
• 250
• 1250
• 2500

Describe the relationship between the terms in the arithmetic sequence 15, 12, 9, 6.

• Adding 3 to the previous term.
• Subtracting 3 to the previous term.
• Multiplying the previous term by 3.
• Multiplying the previous term by 4.

A culture of bacteria doubles every two hours. If there are 500 bacteria at the beginning,how many bacteria will there be after 24 hours?

• 1024000
• 4194000
• 8388000
• 2048000

A rocket rises 30 feet after 1 second, 85 feet after 2 seconds and 140 feet after 3 seconds. If it continues to rise at this rate,how many feet will it rise after 16 seconds?

• 780
• 855
• 830
• 910

Find the arithmetic mean between 11 and 19.

• 13
• 15
• 17
• 18

Find the common difference in the arithmetic sequence 4, 8, 12, 16...

• 4
• -2
• -4
• 2
• Option 5

What is the 6th term of a geometric sequence when the third term is 27 and the common ratio is 3?

• 243
• 729
• 926
• 828

What is the sum of the first seven terms of the geometric sequence if the first term is 1 and the common ratio is 2?

• 107
• 117
• 127
• 137