I keep getting this wrong. Am I right this time? If not, how do I calculate it r

Question

I keep getting this wrong. Am I right this time? If not, how do I calculate it right? The pic is fuzzy... 1. A_vec=(5.0 m_sq2) i_hat
E_vec=(3.0 N/C) i_hat + (4.0 N/C) j_hat

2. A_vec=(5.0 m_sq2) i_hat - (4.0 m_sq2) j_hat
E_vec=(3.0 N/C) i_hat - (4.0 N/C) j_hat

3. A_vec=(5.0 m_sq2) i_hat - (4.0 m_sq2) j_hat
E_vec=(3.0 N/C) i_hat + (4.0 N/C) j_hat

4. A_vec=(5.0 m_sq2) i_hat - (4.0 m_sq2) j_hat
E_vec=(3.0 N/C) j_hat - (4.0 N/C) k_hat

5. A_vec=(5.0 m_sq2) i_hat
E_vec=(3.0 N/C) j_hat + (4.0 N/C) k_hat

1. A_vec=(5.0 m_sq2) i_hat
E_vec=(3.0 N/C) i_hat + (4.0 N/C) j_hat

2. A_vec=(5.0 m_sq2) i_hat - (4.0 m_sq2) j_hat
E_vec=(3.0 N/C) i_hat - (4.0 N/C) j_hat

3. A_vec=(5.0 m_sq2) i_hat - (4.0 m_sq2) j_hat
E_vec=(3.0 N/C) i_hat + (4.0 N/C) j_hat

4. A_vec=(5.0 m_sq2) i_hat - (4.0 m_sq2) j_hat
E_vec=(3.0 N/C) j_hat - (4.0 N/C) k_hat

5. A_vec=(5.0 m_sq2) i_hat
E_vec=(3.0 N/C) j_hat + (4.0 N/C) k_hat
Thanks! Will rate savior highly. :-D

Explanation / Answer

Multiply Ei with Ai and Ej with Aj and add ...

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