Q. Subtract. Write your answer in scientific notation.(7.5×106)−(4.7×106)Choices:(A) 2.8×100(B) 6.7×100(C) 2.8×106(D) 6.7×106
Identify Subtraction Problem: We have the following subtraction problem:(7.5×106)−(4.7×106)Since the powers of 10 are the same, we can directly subtract the coefficients.What is 7.5−4.7?7.5−4.7=2.8
Subtract Coefficients: Write the answer in scientific notation.Since we subtracted the coefficients and the power of 10 remains the same, we can write the result as:2.8×106
Write in Scientific Notation: Choose the equivalent expression for (7.5×106)−(4.7×106).The correct answer is 2.8×106.
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