OLA DEAR PLZ SOLVE BY STEP BY STEP EXPLANATION
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Step-by-step explanation:
Firstly, You have to multiply 2×22
You will get 44/7 then divide it
then your value is 6.2857142857
Secondly, Then after multiply 6.2857142857 by 5 then your value is 31.4285714286
Third, multiply 60×60 you will get 3600
now, Divide it by 31.4285714286 you will get 0.0087
Now you can write this in form 8.7 ×10^3cm/s
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