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If k is an integer, and if 0.02468 × 10^k is greater than 10,000, what

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If k is an integer, and if 0.02468 × 10^k is greater than 10,000, what [#permalink] New post   20 Feb 2021, 08:10
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If k is an integer, and if \(0.02468 × 10^k\) is greater than 10,000, what is the least possible value of k?

A. 4

B. 5

C. 6

D. 7

E. 8
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C
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Re: If k is an integer, and if 0.02468 × 10^k is greater than 10,000, what [#permalink] New post   20 Feb 2021, 08:56
0.02468 × 10^k

If we take k=5, the result will be \(0.02468 × 10^5\) = 2468

2468 is less than 10000

And by multiplying with 10 it will be 24680 > 10000

Hence k = 6


Answer C
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Re: If k is an integer, and if 0.02468 × 10^k is greater than 10,000, what [#permalink]
20 Feb 2021, 08:56
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