Barium crystallizes in a body-centered cubic structure with a unit cell edge length of 584. 28 pm. Calculate the atomic radius of barium in this structure.

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Abag contains even and odd numbered balls in the ratio of 3: 7, respectively. for each of the following, what is the probability of drawing an even-numbered ball? the total number of balls is 240 and 30 of the odd-numbered balls are renumbered by multiplying the numbers by 4.

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