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(3*10^20)(8*10^30) =
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20 Nov 2017, 11:29
20 Nov 2017, 11:29
1
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Question Stats:
94% (00:47) correct
5% (01:56) wrong based on 17 sessions
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\((3*10^{20})(8*10^{30}) =\)
A. \(2.4*10^{50}\)
B. \(2.4*10^{51}\)
C. \(2.4*10^{60}\)
D. \(2.4*10^{61}\)
E. \(2.4*10^{301}\)
Kudos for correct solution.
A. \(2.4*10^{50}\)
B. \(2.4*10^{51}\)
C. \(2.4*10^{60}\)
D. \(2.4*10^{61}\)
E. \(2.4*10^{301}\)
Kudos for correct solution.
Re: (3*10^20)(8*10^30) =
[#permalink]
24 Nov 2017, 07:11
24 Nov 2017, 07:11
Hi Bunuel!
I do not understand why the answer would be any of the displayed answers.
In my opinion it should be 2,4 * 10^49 because we get 24 * 10^50 which one would have to divise by 10... leading to 2,4 *10^49...
How did you solve this one?
thanks a lot
I do not understand why the answer would be any of the displayed answers.
In my opinion it should be 2,4 * 10^49 because we get 24 * 10^50 which one would have to divise by 10... leading to 2,4 *10^49...
How did you solve this one?
thanks a lot
Re: (3*10^20)(8*10^30) =
[#permalink]
26 Nov 2017, 09:01
26 Nov 2017, 09:01
Bunuel wrote:
\((3*10^{20})(8*10^{30}) =\)
A. 2.4 × 10^50
B. 2.4 × 10^51
C. 2.4 × 10^60
D. 2.4 × 10^61
E. 2.4 × 10^301
Kudos for correct solution.
A. 2.4 × 10^50
B. 2.4 × 10^51
C. 2.4 × 10^60
D. 2.4 × 10^61
E. 2.4 × 10^301
Kudos for correct solution.
\((3*10^{20})(8*10^{30}) =24*10^{50}=2.4*10^{51}\)
Answer: B.
