Over the last 80 years, the average annual U. S. inflation rate was about a. 3.6 percent, implying that prices have increased 16-fold.

b. 4 percent, implying that prices have increased 17-fold.

c. 4 percent, implying that prices have increased 16-fold.

d. 3.6 percent, implying that prices increased about 17-fold.

a answer is correct

Step-by-step explanation:

A. 3.6 percent , implying that prices have increased 16-fold.

may be this is helpful answer!

hope it

step-by-step explanation:

x^(1/6) · x^(1/6) · x^(1/6)   ·x^(1/6) = x^(4/6)   since we add the exponents

4/6 can be simplified to 2/3

the simplified form is x^(2/3)

21

jk it's 20

step-by-step explanation: