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Look at the picture for question.​
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Look at the picture for question.​

Look at the picture for question.​-example-1
User Rluks
by
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1 Answer

3 votes

Answer:

in steps

Explanation:

a. 0.212121... to fraction has multiple answers, the simplest one is

let A = 0.212121...

100A = 21.2121....

100A - A = 99A = 21

A = 21/99 = 7/33 (0.212121...)

Besides 7/33, 707/3333, 70707/333333 ...

b. x hits : 200 bats = 0.212121..

200 x 0.212121.... = 200 x 7/33 = 42.42 (≈ 42)

User Dinesh Shingadiya
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