Let ‘&’ be a binary operation defined on the set N. Which of the following definitions is commutative but not associative?

Question 1Variables declared using 'let' can be reassigned.

What does let mean? (please check all true answers)It’s the keyword to define a variable in the local scopeIt’s the keyword to define a variable with optionally initializing it to a valueIt’s the keyword to define a global variableIt’s the keyword to define a constant variableIt’s the keyword to define a variable that can be re-assign during the execution

The main difference between the variables declared with var and with let isOptions: Pick one correct answer from belowvar is confined to a particular function but let is notvar defines values based on conditions but let does notlet is confined to a particular function but var is notlet doesn’t let you change the value of the variable

give me just one option

rephrase it