Quantities standardized for scientific use

What is the exact number of e? What is 50 tens in standard form? Could the segment 1 1 and 7 form a triangle? What type of number is 4? Why clocks on display always show time 1010? What is 56 over 144 in simplest form? What letter by convention is used for a variable when another name ain't obvious? When charted on a graph Production possibilities frontiers tend to curve? Is -0.65 a whole number? Are random security checks really random? How do you simplify into a plus bi form? What percentage of 2500 is 25? How do you wrte 26 billion in numbers? 80 percent of 350? Why teaching process is rational and reflective? Is first an adverb? What is another name for a quadrilateral that is also a regular polygon? Would 12x 10'9 be in scientific notation? Is 34 divisible by 3? Marty has a piggy bank that contains 2.25. The piggy bank contains only quarters and dimes. There are twice as many dimes as quarters in the bank. How many dimes are in the piggy bank?