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Simplify (i) {(1/3)^(-2) - (1/2)^(-3)} ...

Simplify (i) `{(1/3)^(-2) - (1/2)^(-3)} -: (1/4)^(-2).` (ii) `(5/8)^(-7) xx (8/5)^(-5).`

Text Solution

Verified by Experts

`(i){(1/3)^(−2)−(1/2)^(−3)}÷(1/4)^(−2)`
`=>{(3)^2-2^3}÷4^2`
`=>{9-8}÷16`
`=>1÷16`
`(ii)(5/8)^(−7)×(8/5)^(−5)`
`=>(8/5)^7×(5/8)^5`
`=>(8×8)/(5×5)`
`=>64/25`
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