1. Write your answer in scientific notation. 7.2 x 10^5 - 5 x 10^6 = ??
Question
- Write your answer in scientific notation. 7.2 x 10^5 - 5 x 10^6 = ??
Solution
To solve this problem, we need to make sure both numbers are in the same power of 10.
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Convert 7.2 x 10^5 to 0.72 x 10^6.
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Now, subtract 0.72 x 10^6 from 5 x 10^6.
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The result is 4.28 x 10^6.
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