What is 7,248,193,675 to the nearest billion

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

What is the measure of one interior angle of a pentagon

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