Question

The infinite geometric sum formula can be used to write 0.126126126...as a fraction. What is the numerator of this reduced fraction?

A. 7
B.14
C.42
D.126

Answer 1

• B.14

Explanation:

0.126126126... = x

• 1000x = 126.126126...
• 1000x - x = 126
• 999x = 126
• x = 126/999= 42/333= 14/ 111

Numerator is 14

Correct answer is B.14