Question

simplify evaluate
1) 8x(-2)x(-5)
2) (-100÷ -10)
3) 810-(-10)
4) (-52) +(-18)
5) [325÷-325]-[10÷(-10)]​
with full explanation
please it's urgent pls tell​

Answer 1

Step-by-step explanation:

1)80.

2)-10

3)820.

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