1.

Simplify (6a^(-2)bc^(-3))/(4ab^(-3)c^(2))/(5a^(-3)b^(2)c^(-1))/(3ab^(-2)c^(3))

Answer»

`9/10ac`
`9/10ac^(-1)`
`9/10ac^(2)`
`9/10ac^(-3)`

ANSWER :B


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