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# Which is greater (4)(10)^5 or 400,000

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Which is greater (4)(10)^5 or 400,000 [#permalink]  22 Aug 2019, 10:36
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Question Stats:

84% (00:11) correct 15% (00:08) wrong based on 19 sessions
 Quantity A Quantity B $$(4)(10)^5$$ $$400,000$$

A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.

Kudos for the right answer and explanation
[Reveal] Spoiler: OA

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Manager
Joined: 22 Aug 2019
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Re: Which is greater (4)(10)^5 or 400,000 [#permalink]  22 Aug 2019, 12:54
Carcass wrote:
 Quantity A Quantity B $$(4)(10)^5$$ $$400,000$$

A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.

Kudos for the right answer and explanation

4*10^1 = 40
4*10^2 = 4*100 = 400
4*10^3 = 4*1000 = 4,000

So the exponent tells us how many zeros we have.

The exponent in 4*10^5 is 5. So there a five zeros behind the for.
in other words 5*10^5 = 400,000

So they're equal.
C.
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Re: Which is greater (4)(10)^5 or 400,000 [#permalink]  25 Aug 2019, 06:45
C
Re: Which is greater (4)(10)^5 or 400,000   [#permalink] 25 Aug 2019, 06:45
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