Q. Subtract. Write your answer in scientific notation.(4.9×108)−(2.39×108)Choices:(A) 5.71×108(B) 6.03×108(C) 4.84×108(D) 2.51×108
Subtraction Problem: We have the following subtraction problem:(4.9×108)−(2.39×108)Since the powers of 10 are the same, we can subtract the coefficients directly.What is 4.9−2.39?4.9−2.39=2.51
Subtract Coefficients: Write the answer in scientific notation.We have the coefficient 2.51 from the subtraction, and the power of 10 remains the same since we did not change the order of magnitude.Scientific notation: 2.51×108
Write in Scientific Notation: Choose the equivalent expression for (4.9×108)−(2.39×108).(4.9×108)−(2.39×108)=2.51×108Therefore, the answer in scientific notation is 2.51×108.
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