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Grade 12th passMagical Mathematics[Interesting Approach]

kindly while solving problems in thermodynamics chemistry we require to evaluate the value of 20 to the power 1.4and 5 to the power of 1.4. kindly let me know to solve such numerical power without using logarithms and scientific calculator. this will be of great help while solving numericals in thermodynamics.

rajaram reddy

8 Years agoGrade 12th pass

1 Answer

Arun

7 Years ago

Dear student

you can use log

let y = 20^1.4

log y = 1.4 log 20

y = 10^(1.4 * 1.3010)

similarily use with 5^1.4

also please take approximation as approximation would help us a lot

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