Frederick evaluates the numerical expression expression 53.7 + 37.2 -33 +3.8 - 8.6 and
answer as 51.5. Lana evaluates the numerical
[(53.7 + 37.2) - (33+3.8)] - 8.6 and records the
the same numbers and operations. Explain how
Frederick and Lana can both be correct.

22 points algebra 1//sum and product of rational and irrational numbers. dont have to do all 4 if could much : )) write an example: 1) how the product of two identical irrational numbers can be a rational number. 2) how the product of two different irrational numbers can be a rational number. 3) write a quotient of intergers that is not a real number. 4) is the set of positive irrational numbers closed for the operation of division? if not give a counter example.