Part A: rewrite 69,900,000; 36,100,000; 8,300,000 so they all have the same power of 10. Part B: Now that the three numbers have the same power of 10, find the sum using Distributive Property.
Part C: Is the sum from part B in scientific notation? if not, write the sum in scientific notation.

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

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the practice of taking someone else's work or ideas and passing them off as one's own.

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i believe it's a.

i'm not sure on this one, most likely correct.

cause it equals more