Question

Please answer these questions, urgent, please do not spam, step by step plz don't spam, please answer ​

Answer 1

Answer:

1.

a)

$(a - b)^{2} = a^{2} - 2ab + b^{2} \\ (100 - 4 )^{2} = 10^{2} - 2(100)(4) + 4 ^{2} \\ 10000 - 800 + 16 \\ 10000 - 816 \\ 9284$