Hi everyone,
May I have a step by step on how to solve this question?
The answer is A).
Thank you!
Hii
I hope you understand. Notice that, after resolving the account below (10^-1 - 9.8 x 10^-2 = 0,002 = 2 x 10^-3), I tried to find something in common in the upper part, which was 10^8.
In the end you just need to decompose the numbers (all of those will be coming out of the root).
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Thank you, your explanation is very clear!
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