Jorge thinks they should use a generic rectangle because there are two terms multiplied by two terms.

Cadel thinks the answer is 8 × 1010 but he cannot explain why.
Lauren thinks they should multiply the like parts. Her answer is 8 × 10021.
Who is correct? Explain why each student is correct or incorrect.

2 answers

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown.

It would help if you would proofread your work before you post it.
Lacking data. Do you have typos? I don't see "two terms multiplied by two terms".
No