Question: EXAMPLE 5 Write the number 2.921 = 2.9212121.. as a ratio of integers. SOLUTION 2.9212121. .. = 2.9+ 21 21 21 103 105 107 After

EXAMPLE 5 Write the number 2.921 = 2.9212121.. as
EXAMPLE 5 Write the number 2.921 = 2.9212121.. as a ratio of integers. SOLUTION 2.9212121. .. = 2.9+ 21 21 21 103 105 107 After the first term we have a geometric series with a = 21 and /= Therefore 103 21 2.921 = 2.9+ 103 1 - 21 = 2:9+ 1090 99 100 29 990

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