SOLUTION: INSTRUCTIONS: Write the decimal as a fraction. Simplify if possible.
#48. 0.86 (A bar notation is above the 86)
#50. -1.135 (A bar notation is above the 135)
The book
Algebra.Com
Question 110309This question is from textbook Mathematics Concepts and Skills
: INSTRUCTIONS: Write the decimal as a fraction. Simplify if possible.
#48. 0.86 (A bar notation is above the 86)
#50. -1.135 (A bar notation is above the 135)
The book doesn't give examples for these types of problems, please HELP!!!!
This question is from textbook Mathematics Concepts and Skills
Answer by wgunther(43) (Show Source): You can put this solution on YOUR website!
I'm going to assume you have some concept of series. If not, repost maybe and someone else will answer. But .868686868686... is 86(10^(-2)) + 86(10(-4) + 86 (10(-6))...86(10^(-2n)). So it's a 86 times the sum from k=1 to infitnity of 10^(-2k), which converges to 1/99, so it is 86/99.
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