Multiply (2.0 ⋅ 10−4) ⋅ (3.1 ⋅ 10−20). express the answer in scientific notation. the options are:
a: 6.2 ⋅ 10−80
b: 6.2 ⋅ 10−24
c: 6.2 ⋅ 1024
d: 6.2 ⋅ 1080

Dilations map circles to circles and ellipses to ellipses with the same. true or false

About 9% of th population is hopelessly romantic. if 2 people are randomly selected from the population, what is the probability that at least 1 person is hopelessly romantic?

Which one is the correct answer, and why?