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40,105*26*10,112 is the approximation of which of the following? A

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Math Revolution GMAT Instructor
Joined: 16 Aug 2015
Posts: 5577
GMAT 1: 800 Q59 V59
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40,105*26*10,112 is the approximation of which of the following? A [#permalink]

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27 Feb 2017, 01:34
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43% (00:50) correct 57% (00:47) wrong based on 61 sessions

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40,105*26*10,112 is the approximation of which of the following?

A. $$10^8$$
B. $$10^9$$
C. $$10^1^0$$
D. $$10^1^1$$
E. $$10^1^2$$

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MathRevolution: Finish GMAT Quant Section with 10 minutes to spare
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"Only $99 for 3 month Online Course" "Free Resources-30 day online access & Diagnostic Test" "Unlimited Access to over 120 free video lessons - try it yourself" Senior Manager Joined: 19 Apr 2016 Posts: 275 Location: India GMAT 1: 570 Q48 V22 GMAT 2: 640 Q49 V28 GPA: 3.5 WE: Web Development (Computer Software) 40,105*26*10,112 is the approximation of which of the following? A [#permalink] Show Tags 27 Feb 2017, 02:44 MathRevolution wrote: 40,105*26*10,112 is the approximation of which of the following? A. $$10^8$$ B. $$10^9$$ C. $$10^1^0$$ D. $$10^1^1$$ E. $$10^1^2$$ approximation of 40,105*26*10,112 =$$4*10^4*25*10^4$$ =$$10^8*100$$ =$$10^{10}$$ Hence option C is correct Hit Kudos if you liked it Math Revolution GMAT Instructor Joined: 16 Aug 2015 Posts: 5577 GMAT 1: 800 Q59 V59 GPA: 3.82 Re: 40,105*26*10,112 is the approximation of which of the following? A [#permalink] Show Tags 01 Mar 2017, 04:49 ==> You get $$40,105*26*10,112≒40,000*25*10,000=100*10^4*10^4=10^2*10^4*10^4=10^2^+^4^+^4=10^1^0$$. The answer is C. Answer: C _________________ MathRevolution: Finish GMAT Quant Section with 10 minutes to spare The one-and-only World’s First Variable Approach for DS and IVY Approach for PS with ease, speed and accuracy. "Only$99 for 3 month Online Course"
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Re: 40,105*26*10,112 is the approximation of which of the following? A   [#permalink] 01 Mar 2017, 04:49
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