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Which of the following are equal to 12.12*10^(–3) ?

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Math Expert
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V
Joined: 02 Sep 2009
Posts: 57026
Which of the following are equal to 12.12*10^(–3) ?  [#permalink]

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New post 15 Jul 2019, 23:24
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

92% (00:48) correct 8% (00:55) wrong based on 25 sessions

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VP
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D
Joined: 31 Oct 2013
Posts: 1429
Concentration: Accounting, Finance
GPA: 3.68
WE: Analyst (Accounting)
CAT Tests
Re: Which of the following are equal to 12.12*10^(–3) ?  [#permalink]

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New post 15 Jul 2019, 23:31
Bunuel wrote:
Which of the following are equal to \(12.12 × 10^{–3}\) ?

I. \(–1.21 × 10^3\)

II. \(0.00001212 × 10^3\)

III. \(0.01212 × 10^3\)

A. I only
B. II only
C. III only
D. I and II only
E. I, II and III



12.12 * 1 / 1000

= 0.01212.....Original answer.

= 0.00001212 * 10^3........Modified answer.

B is the correct answer.
Director
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Joined: 03 Jun 2019
Posts: 824
Location: India
Re: Which of the following are equal to 12.12*10^(–3) ?  [#permalink]

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New post 16 Jul 2019, 01:24
Bunuel wrote:
Which of the following are equal to \(12.12 × 10^{–3}\) ?

I. \(–1.21 × 10^3\)

II. \(0.00001212 × 10^3\)

III. \(0.01212 × 10^3\)

A. I only
B. II only
C. III only
D. I and II only
E. I, II and III


Question: Which of the following are equal to \(12.12 × 10^{–3}=.01212\) ?

I. \(–1.21 × 10^3\)
=-1210
Incorrect

II. \(0.00001212 × 10^3\)
=.01212
Correct

III. \(0.01212 × 10^3\)
=12.12
Incorrect

IMO B
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Re: Which of the following are equal to 12.12*10^(–3) ?   [#permalink] 16 Jul 2019, 01:24
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Which of the following are equal to 12.12*10^(–3) ?

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