Find - 7.8 + (- 12) + (-82.3).
O 102.1
O – 102.1
0 -91.3
O-62.5
1 answer:
Answer:
-102.1
Step-by-step explanation:
When adding negative numbers, act as if you are subtracting that same number, but in its positive form.
So in reality, you could rewrite the equation as: (-7.8) - 12 - 82.3 = -102.1
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Step-by-step explanation:
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Answer:
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Step-by-step explanation:
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Step-by-step explanation:
all angles of a triangle add up to 180 degrees.
30+25=55
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