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Question
Compute:
`(12)^-2xx3^3`
Sum
Solution
`(12)^-2xx3^3=(2xx2xx3)^-2xx3^3`
` =(2^2xx3)^-2xx3^3`
`=2^(-2xx2)xx3^-2xx3^3 `
`=2^-4xx3^(-2+3)`
`=2^-4xx3^1`
`=3/2^4=3/(2xx2xx2xx2)`
` = 3/16`
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