Q. Add. Write your answer in scientific notation.(5×103)+(1.7×103)Choices:(A) 8.5×103(B) 6.7×103(C) 6.7×106(D) 8.5×106
Add Coefficients: We have the following expression to add:(5×103)+(1.7×103)Since the powers of 10 are the same, we can directly add the coefficients.What is 5+1.7?5+1.7=6.7
Write in Scientific Notation: Write the answer in scientific notation.We substitute 6.7 for the coefficient and keep the power of 10 the same, which is 3.Scientific notation: 6.7×103
Find Equivalent Expression: Choose the equivalent expression for (5×103)+(1.7×103).(5×103)+(1.7×103)=6.7×103Therefore, the sum in scientific notation is 6.7×103.
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