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Simplify that: ((4\xx\ 10^7)(6\ xx\ 10^(...

Simplify that: `((4\xx\ 10^7)(6\ xx\ 10^(-5)))/(8\ xx\ 10^4)`

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`((4xx10^7)(6 xx 10^(-5)))/(8 xx10^4)`
`=(4xx6)/8xx(10^7xx10^(-5))/10^4`
`=3xx10^(-2)`
`=3/100`
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