B12

 

B12 apply real number exponents in expressions and equations

 

Originator: Ashlie M.

 

Explanition: A real number can be in the form of decimals, rational(like 42, or -26/27) and irrational numbers(like square roots or ). Basically, any form other than unreal, or imaginary numbers.

 

ex.

  the square root of 4 is 2 to the second power

 

 then you can set the exponents equal to each other now that their bases are the same and solve for x

 

 

 

Sample question: 

 

 

 

Solution: