How do you evaluate the expression #n^5# when n=7 and when n= 0.4? Algebra Expressions, Equations, and Functions Variable Expressions 1 Answer Shwetank Mauria Sep 4, 2016 When #n=7#, #n^5=16807# and when #n=0.4#, #n^5=0.01024#. Explanation: When #n=7#, #n^5=7×7×7×7×7=16807# and when #n=0.4# #n^5=0.4×0.4×0.4×0.4×0.4# = #0.01024# Answer link Related questions How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? What are variables? What are variable expressions? How do you write variable expressions? How do you evaluate variable expressions? How do you simplify the expression #3x-x+4#? How do you write a quotient of a number and 6 as an expression? How do you evaluate the expression #2x+1# for #x=1#? How do you write a product of a number and 2 as an expression? How do you write 5 less than 2 times a number as a variable expression? See all questions in Variable Expressions Impact of this question 1718 views around the world You can reuse this answer Creative Commons License