Plz help and explain. Cara was using her calculator to solve a problem. The answer that displayed was 1.6E+12. She knows that she entered all the numbers correctly. Why did the calculator give her the answer it did? What is the answer s Cara's problem?

Abbey purchased a house using a fixed rate mortgage. the annual interest rate is 4.2% compounded monthly for 20 years. the mortgage amount is $235,000. what is the monthly payment on the mortgage? this isn't a multiple choice question have to show my work

Quick translate "x is 12 units from 20" into an equation. what are the values of x being described? if you can answer any of my other questions that'd be great too

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?