What's 3/4 times 7/9 in simplest form

How do you do this geometry problem

Evaluate the following expression 1/3^2

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?