Respuesta :
Answer: + 21, 875;
0;
-9,471;
-31, 150
Step-by-step explanation:
Product means multiplication, and the signs has a rule: negative (- ) x negative (- )= positive (+)
Positive (+) x positive (+) = positive (+)
Negative (-) x positive (+) = negative (-)
Positive (+) x negative (-) = negative (-)
From the above sign rules,
Therefore, the sign of the product of –35 and –625 is +21, 875
The sign of the product of 263 and 0 is 0 .
Any number multiplied by 0 is 0
The sign of the product of –21 and 451 is -9,471
The sign of the product of –350 and 89 is -31,150 .
I hope this is clear, I am available for further questions on this, meanwhile, please mark as brainliest answer.