Find the mean proportional of 0.1 and 0.2 correct to 2 decimal places
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1 Answer

Mean proportional x:

0.1/x = x/0.2

x = sqrt(0.1*0.2)

x = sqrt(0.02)

x = sqrt(2/100)

x = sqrt(2)/10

To two decimal places it's 0.14
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