Find using distributivity and commutativity 3/5×-4/7 -4/21 -4/7×2/5.
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Step-by-step explanation:
3/5 × -4/7 - 4/7 × 2/5 - 4/21
-4/7 ( 3/5 + 2/5 ) - 4/21
-4/7 - 4/21
-12/21 - 4/21
-16/21
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