Answer:
36%
Step-by-step explanation:
20 % solution in 4/5 parts of the mmixture gives 80/5
100% solution in 1/5 parts of the mixture gives 100/5
total would give 80+100/5= 36% solution
3^7 * 3^(-4) = 3^(7 - 4) = 3^3 = 27
big f f f f f f f f f f f big fffff
Answer is 2
You did not provide options but it would be any one of them that starts with -3 and then has a decimal.
