Solution - Power equations

Step  1  :

 1.1     10 = 2•5

(10)⁵ = (2•5)⁵ = 2⁵ • 5⁵

Equation at the end of step  1  :

Step  2  :

Raising to a Power :

 2.1    2³  multiplied by  2⁵   = 2^{(3 + 5)} = 2⁸

Equation at the end of step  2  :

Step  3  :

 3.1     10 = 2•5

(10)³ = (2•5)³ = 2³ • 5³

Equation at the end of step  3  :

Step  4  :

Multiplying exponents :

 4.1    2²  multiplied by  2³   = 2^{(2 + 3)} = 2⁵

Equation at the end of step  4  :

Step  5  :

            (25•53)
 Simplify   ———————
            (28•55)

Dividing exponents :

 5.1    2⁵   divided by   2⁸   = 2^{(5 - 8)} = 2^(-3) = ¹/_2³

Dividing exponents :

 5.2    5³   divided by   5⁵   = 5^{(3 - 5)} = 5^(-2) = ¹/_5²

Final result :

   1            
  ——— = 0.00500 
  200