1) If sin 60° = 0.8660, then cos 30º =

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is