Question

What is the common ratio in this sequence? 100, 25, 6.25, 1.5625......

Answer 1

Answer:

1/4

Step-by-step explanation:

To find the common ratio, take the second term and divide by the first term

25/100

1/4

The ratio is 1/4

Answer 2

Answer:

1/4 or 0.25

Step-by-step explanation:

100, 25, 6.25, 1.5625......

Common ratio (r) = 2nd term/ 1st term

= 3rd term/ 2nd term

From the question

1st term = 100, 2nd term = 25 , 3rd term = 6.25

Therefore,

r = 25/100 = 6.25/25

r = 1/4 = 1/4

r = 1/4 or 0.25

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