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2*10^1+3*10^0+4*10^-1

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2*10^1+3*10^0+4*10^-1 [#permalink] New post   01 Apr 2019, 04:19
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Question Stats:

80% (00:54) correct 19% (01:57) wrong based on 51 sessions

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Quantity A
Quantity B
(2∗101+3∗100+4∗10−1+5∗10−2)
(1∗10−3+2∗10−2+3∗10−1+4∗100+5∗101)


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.
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B
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POLASH106
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Re: 2*10^1+3*10^0+4*10^-1 [#permalink] New post   01 Apr 2019, 07:12
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a: 20+3+0.4+0.05 and b:..+.....+...+50
so obviously b is the answer.
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2*10^1+3*10^0+4*10^-1 [#permalink] New post   16 Aug 2024, 04:12
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POLASH106 wrote:
a: 20+3+0.4+0.05 and b:..+.....+...+50
so obviously b is the answer.

Any number^0=1 so just calculate the value of numbers^any non negative power of 10 as everything else will fall in decimal places. As 50>20 B will be greater than A. Note this is an easy shortcut only because all numbers are being multiplied to different powers of 10.
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2*10^1+3*10^0+4*10^-1 [#permalink]
16 Aug 2024, 04:12
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