Step-by-step explanation:
First, let's find out how many tiles Mike needs.
Mike's kitchen is 75sqft, each tile covers 2.25sqft, so 75sqft/2.25sqft=33.3333...,
multiply that number by the cost per tile and round to the nearest hundredth.
The standard form would be 705,083.
Yes, parentheses can change the order in which operations are performed in an expression.
Let us understand this with two examples.
First example.
Let us suppose we have to simplify the expression

In this expression we have evaluated subtraction first instead of multiply.
Second example.
Let us suppose we have to simplify the expression

In this expression we have evaluated multiplication first and then subtraction.
Therefore, from above two examples we can see that parentheses can change the order in which operations are performed in an expression.
3 I'm pretty sure because it can go into both if I remember correctly that's how I was taught