can you just explain how these codes work ↵
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the first one's purpose is to find the number of significant figures in a number... and the second one's purpose is to balance chemical equations..↵
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![ ](https://codeforces.com/f89f33/1.PNG)↵
/predownloaded/53/df/53df6a7404fb4b1b023962930ab2012833a6a11c.png)↵
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![ ](/predownloaded/c4/7d/c47d3dc78f1dcc78f7a437a13765b2a8f37910ec.png)↵
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the first one's purpose is to find the number of significant figures in a number... and the second one's purpose is to balance chemical equations..↵
↵
![ ](
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![ ](/predownloaded/c4/7d/c47d3dc78f1dcc78f7a437a13765b2a8f37910ec.png)↵
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