How to write the explicit formula for a geometric sequence given the 10th term and ratio

What is the main challenge in solving the problem presented by the teacher?

• Calculating the eighth term (a8)

• Determining the rate

• Finding the value of a10

• Identifying the first term (a1)

What is the known value of a10 in the problem?

• 256

• 128

• 88

• 512

How does the teacher suggest eliminating a fraction in the equation?

• By adding the reciprocal

• By multiplying by the reciprocal

• By subtracting the reciprocal

• By dividing by the reciprocal

What is the calculated value of the first term (a1)?

• 256

• 176

• 512

• 22,528

What is the final calculated value of the eighth term (a8)?

• -176

• -256

• 88

• 128