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# Which of the following is equal to

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Founder
Joined: 18 Apr 2015
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Kudos [?]: 3365 [1] , given: 12152

Which of the following is equal to [#permalink]  14 May 2018, 14:25
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Question Stats:

89% (00:56) correct 10% (02:26) wrong based on 19 sessions
Which of the following is equal to 25,000,000?

A. $$25 * 10^7$$

B. $$2.5 * 10^{-7}$$

C. $$(2 * 10^6) + (5 * 10^5)$$

D. $$(20 * 10^{-7}) + (5 * 10^{-6})$$

E. $$(2 * 10^7) + (5 * 10^6)$$
[Reveal] Spoiler: OA

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Manager
Joined: 26 Jan 2018
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GRE 1: Q165 V156
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Kudos [?]: 132 [2] , given: 3

Re: Which of the following is equal to [#permalink]  15 May 2018, 04:28
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On breaking down the number we get 2*10^7 + 5*10^6.

Just going by digit in 6th place and 7th place would help as all the other places are filled with 0 and hence are in powers of 10.
Re: Which of the following is equal to   [#permalink] 15 May 2018, 04:28
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