Answer: -10
Step-by-step explanation:
First you add -8 and -12 together. You get -20, then divide -20 by 2 and get -10 ;)
Answer:
0
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I hope it helped.
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It's nice to help your sister.
a) 9711 rounds to 10000
b) 6549 rounds to 7000
c) 25499 rounds to 25000
d) 979501 rounds to 980000