1.

** VERY SHORT ANSWER1. Multipy : ****

Answer»

-3/4 * 5/7 * - 8/11 * 7/10

= (-3/4 * - 8/11) * (5/7 * 7/10)

= 6/11 * 1/2

= 3/11

840/3060 is right answer



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