Question $5$

Given the following two declarations and initializations, which of the following statements

correctly assigns a number of $110$ to a variable named sum?

let num$1=100$;

let num$2={?}^{\text{'}}{10}^{\text{'}}$;

let sum $=+$ num$2+$ num$1$;

const sum $=$ num $2+$ num $1$;

var sum $=$ num$1+$ num$2$;

let sum $=$ num$1+$ Number$($num$2)$;

let sum $=$ num $1+$ num$2$;