Simplify:

(4a²b^-1c³)(¹/₄a^-1b²c^-2)

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Answer

All multiplication... so... Re-group, Re-order

(4a²b^-1c³)(¹/₄a^-1b²c^-2)

(4·¹/₄)(a²·a^-1)(b^-1·b²)(c³·c^-2)

(⁴/₄)(a^2-1)(b^-1+2)(c^3-2)

(1)(a¹)(b¹)(c¹)

abc