To find out how many times \( 4 \times 10^4 \) is larger than \( 2 \times 10^2 \), we can calculate the two expressions and then divide them to see how many times one is larger than the other.
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Calculate \( 4 \times 10^4 \): \[ 4 \times 10^4 = 4 \times 10,000 = 40,000 \]
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Calculate \( 2 \times 10^2 \): \[ 2 \times 10^2 = 2 \times 100 = 200 \]
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Now, divide the first result by the second: \[ \frac{40,000}{200} = 200 \]
Thus, \( 4 \times 10^4 \) is 200 times larger than \( 2 \times 10^2 \).
The answer is 200.