Solution - Power equations

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-7" was replaced by "^(-7)". 1 more similar replacement(s)

Step  1  :

 1.1     4 = 22

(4)^-7 = (2²)^(-7) = (2)^(-14)

Equation at the end of step  1  :

Step  2  :

Equation at the end of step  2  :

Step  3  :

          1      
 Divide  ——  by  (2)(-14)
         27      

 3.1    Dividing fractions

To divide fractions, write the divison as multiplication by the reciprocal of the divisor :

 1      1         1     214
——  ÷  ———   =   ——  •  ———
27     214       27      1 

Dividing exponents :

 3.2    2¹⁴   divided by   2⁷   = 2^{(14 - 7)} = 2⁷

Final result :

  128