Scientists have discovered a new substance with a hydrogen ion concentration of 0.057745341 m. determine the corresponding ph level for this new substance. round your final answer 3 decimal places.

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