WPPP#9: Unit L Concept 4-8- Calculating combination and permutations

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SP#6: Unit K Concept 10- Writing with repeating as a rational number

 To write a repeated decimal as a rational number the geometric series can be used. This number is infinite. You need to find a sub 1  and r.

Look for things like matching the decimal with its fraction. You must leave it as a fraction and not as a decimal.