fidelialopez
fidelialopez fidelialopez
  • 14-12-2020
  • Mathematics
contestada

What is the product of (9)(-9)-1)?
-81
-1
1
81​

Respuesta :

raviolaaa raviolaaa
  • 14-12-2020
Answer: 81
(9)(-9)=-81
(-81)(-1)=81
negative * negative = positive
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