HELP I WILL GIVE 20 POINTS.
Explain how 2 x 10-4 is the same as 2 ÷ 104 using expanded notation.

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?

See attachment below and find the equivalent of tan(∠qsr)

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false