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# If A=3.45454545, what is the result of A if rounded to the nearest

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Joined: 02 Sep 2009
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If A=3.45454545, what is the result of A if rounded to the nearest  [#permalink]

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06 Jul 2017, 01:57
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5% (low)

Question Stats:

82% (00:25) correct 18% (00:36) wrong based on 52 sessions

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If A=3.45454545, what is the result of A if rounded to the nearest hundredth?

A. 3.4
B. 3.45
C. 3.46
D. 3.5
E. 4

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If A=3.45454545, what is the result of A if rounded to the nearest  [#permalink]

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06 Jul 2017, 02:31
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Bunuel wrote:
If A=3.45454545, what is the result of A if rounded to the nearest hundredth?

A. 3.4
B. 3.45
C. 3.46
D. 3.5
E. 4

If a number N = abc.defg

then c = Unit digit
b = Tens digit
a = Hundreds digit

d = Tenth digit
e = Hundredth digit
f = Thousandth digit

Focus on underlined part in above explanation

A=3.45454545 is to be rounded off at highlighted digit

Since next digit after the highlighted is less than 5 hence highlighted digit will remain same while rounding off

A=3.45

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If A=3.45454545, what is the result of A if rounded to the nearest  [#permalink]

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06 Jul 2017, 04:30
Bunuel wrote:
If A=3.45454545, what is the result of A if rounded to the nearest hundredth?

A. 3.4
B. 3.45
C. 3.46
D. 3.5
E. 4

$$A=3.45454545$$

From the given expression ,

$$A = 3.454$$

From left to right after decimal $$:$$ $$4$$ is on tenth place and $$5$$ is on hundredth place and next $$4$$ is on thousandth place.

Thousandth place is less than $$5$$, hence when number is rounded to hundredth place, hundredth place digit would be the same.

$$A = 3.45$$

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Re: If A=3.45454545, what is the result of A if rounded to the nearest  [#permalink]

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06 Jul 2017, 08:00
Bunuel wrote:
If A=3.45454545, what is the result of A if rounded to the nearest hundredth?

A. 3.4
B. 3.45
C. 3.46
D. 3.5
E. 4

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Re: If A=3.45454545, what is the result of A if rounded to the nearest  [#permalink]

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06 Jul 2017, 10:35
Bunuel wrote:
If A=3.45454545, what is the result of A if rounded to the nearest hundredth?

A. 3.4
B. 3.45
C. 3.46
D. 3.5
E. 4

Hundredth digit will be 2 after the decimal.
A = 3.454..
Since the digit after the hundredth digit is < 5, we will keep the hundredth digit as is.

Hence A = 3.45

Correct Option: B
Re: If A=3.45454545, what is the result of A if rounded to the nearest   [#permalink] 06 Jul 2017, 10:35
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