The question asks to find 3 different ways to write each (value) and exponent. i know how to write the exponent, but i need with the number which is 81. can someone

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

Which question is not a good survey question? a.don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d.are you happy with the availability of electronic products in your state?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of