Q. Subtract and write your answer in scientific notation.(7.12×103)−(4.43×103)
Subtraction Problem: We have the following subtraction problem:(7.12×103)−(4.43×103)Since the powers of 10 are the same, we can subtract the coefficients directly.What is 7.12−4.43?7.12−4.43=2.69
Subtract Coefficients: Write the answer in scientific notation.Substitute 2.69 for the coefficient and 3 for the exponent in a×10b.Scientific notation: 2.69×103
Write in Scientific Notation: Choose the equivalent expression for (7.12×103)−(4.43×103).(7.12×103)−(4.43×103)=2.69×103(7.12×103)−(4.43×103) is equivalent to 2.69×103.
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