Q. Express 0.99999 in the form of qp where p and q are integers and q=0.
Assign Variable x: Let x equal the repeating decimal we want to express as a fraction.Set x=0.99999.
Multiply by 105: Multiply both sides of the equation by 105 (100000) to shift the decimal point five places to the right, since there are five 9's after the decimal.100000x=99999.
Subtract Original Equation: Subtract the original equation x=0.99999 from the new equation 100000x=99999 to get rid of the repeating decimal.100000x−x=99999−0.99999.
Perform Subtraction: Perform the subtraction on both sides of the equation. 99999x=99999−0.99999.99999x=99998.00001.
Solve for x: Solve for x by dividing both sides of the equation by 99999.x = rac{99998.00001}{99999}.
Simplify Numerator: Recognize that the subtraction in the numerator 99998.00001 is very close to 99998, and the small difference is due to the repeating decimal. Since we are looking for a fraction with integers, we can simplify the numerator to 99998.x=9999999998.
Check Simplest Form: Check that the fraction is in simplest form. Since 99998 and 99999 have no common factors other than 1, the fraction is already in simplest form.
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