Question

(0.4 X0-4) -(0.3X0.3)÷(0.4×0.2-0.1×0.1)
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Answer 1

Step-by-step explanation:

Question:)

1.You have been provided three test-tube.Ones of these test-tubes contains distilled water and other two contain an acidic and a basic solution respectively.If you are given only blue litmus paper , how will you identify the contents of each test- tubes?

Answer 2

Step-by-step explanation:

(0.4*0.4)= -0.16

(0.3*0.3)= 0.09

(0.4*0.2)= 0.08

(0.1*0.1)= 0.01

-0.16 -0.09/ 0.08-0.01

= -1.295

hope it helps u