Which of the following numbers is not written in scientific notation? 2.001 x 10^5 6.6 x 10^50 5.2 x 10^8 41.2 x 10^4

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Answer to a math question Which of the following numbers is not written in scientific notation? 2.001 x 10^5 6.6 x 10^50 5.2 x 10^8 41.2 x 10^4

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Adonis

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106 Answers

1. Check each number to see if it's in the form $ a \times 10^n $.
2. For scientific notation, $ 1 \leq a < 10 $ and $ n $ is an integer.
3. Numbers:
-

2.001 \times 10^5

is in scientific notation, as $ 1 \leq 2.001 < 10 $.
-

6.6 \times 10^{50}

is in scientific notation, as $ 1 \leq 6.6 < 10 $.
-

5.2 \times 10^8

is in scientific notation, as $ 1 \leq 5.2 < 10 $.
-

41.2 \times 10^4

is not in scientific notation, as $ 41.2 \geq 10 $.

Answer:

41.2 \times 10^4

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