SOLUTION: Doctor Frankenstein has gathered enough bits and pieces for 2^-1+2^-2 of his creature-to-be. Write the fraction that represents the amount of his creature that must still be obtain

Question 46957: Doctor Frankenstein has gathered enough bits and pieces for 2^-1+2^-2 of his creature-to-be. Write the fraction that represents the amount of his creature that must still be obtained.
Answer by aaaaaaaa(138) (Show Source): You can put this solution on YOUR website!
We want to solve

A bit of theory first: Negative exponents are evaluated with the following rule:

(a/b)^-c = (b/a)^c

I hope it makes sense. Therefore:

Since 1/2 + 1/4 is equal to 3/4, he still has 1/4 to go.
Funny thing - I just read Frankenstein!