Question

plz give me the answer


of All of the three question



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Answer 1

Answer:

(b)512

Step-by-step explanation:

please see the attached doc

Answer 2

Answer:  Step-by-step explanation: e.If   root 0.04×0.4×a=0.4×0.04×root b,then find a/b  According to the given question, = Root (4/100)×(4/10)×a=4×(4×100)×root b = by squaring both the sides =(16×1000)a=(16×100)b =a/b=1000/10 =a/b=10/1 =a/b=10:1                  Answer is 10:1