In a GP, if the first term is 5 and the common ratio is 1/2, what is the sum of

In a GP, if the first term is 5 and the common ratio is 1/2, what is the sum of the first four terms?

In a GP, if the first term is 5 and the common ratio is 1/2, what is the sum of the first four terms?

Step 1: Identify the first term of the GP, which is given as 5.
Step 2: Identify the common ratio of the GP, which is given as 1/2.
Step 3: Calculate the second term by multiplying the first term by the common ratio: 5 * (1/2) = 2.5.
Step 4: Calculate the third term by multiplying the second term by the common ratio: 2.5 * (1/2) = 1.25.
Step 5: Calculate the fourth term by multiplying the third term by the common ratio: 1.25 * (1/2) = 0.625.
Step 6: List the first four terms: 5, 2.5, 1.25, and 0.625.
Step 7: Add the first four terms together: 5 + 2.5 + 1.25 + 0.625.
Step 8: Calculate the sum: 5 + 2.5 = 7.5, then 7.5 + 1.25 = 8.75, and finally 8.75 + 0.625 = 9.375.

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