10.9 + (-15.6) + 2.1 write as a decimal
1 answer:
Answer:
-2.6
Step-by-step explanation:
10.9 + (-15.6) becomes 10.9 - 15.6 which equals -4.7. The last step is to add the 2.1 to the -4.7: -4.7 + 2.1 = -2.6
Therefore the answer is -2.6
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Step-by-step explanation:
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Simplifying makes a algebric expression easily understandable and solvable.
