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4 years ago

How to round 168,356? to the nearest ten thousand

Mathematics

2 answers:

Dmitrij [34]4 years ago

5 0

168,356 is closer to 170,000 than it is to 160,000. So 168,356 rounded to the nearest tenth is 170,000.

Vlad1618 [11]4 years ago

5 0

170,000 we base ourselves with the thousands five or above give it a shove do it's going to be a 10,000

160,000
+ 10,000
170,000

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AleksAgata [21]

Answer:

The probability that the second ball is red is 71%

Step-by-step explanation:

Probabilities

We know there are 5 red balls and 2 green balls. Let's analyze what can happen when two balls are drawn in sequence (no reposition).

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The probability is's green is computed by

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If we have drawn a red ball, there are only 4 of them out of 6 in the urn, so the probability to draw a second red ball is

$\displaystyle P(RR)=\frac{5}{7}\cdot \frac{4}{6}=\frac{10}{21}$

If we have drawn a green ball, there are still 5 red balls out of 6 in the urn, so the probability to draw a red ball now is

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The total probability of the second ball being red is

$\displaystyle P(XR)=\frac{10}{21}+\frac{5}{21}=\frac{5}{7}=0.71$

The probability that the second ball is red is 71%

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