477>80 is correct
-4.5<3 this one is also correct
Given:

To find:
The product of the polynomials.
Solution:
1.

Multiply the numerical coefficient and add the powers of x.

2. 
Multiply each term of first polynomial with each term of 2nd polynomial.
Multiply the numerical coefficient and add the powers of x.


3. 
Multiply each term of first polynomial with each term of 2nd polynomial.
Multiply the numerical coefficient and add the powers of x.

Add or subtract like terms together.

The answer for multiplying polynomials:



A) 1.5, you can cross off C and D because that's area. the only reasonable would be 1.5 and 5.8. But 5.8 would mean cutting half of the board.