1. Decide whether the following expression has been simplified correctly. If not, correct it. (ab) =ab' Select the correct choice below and, if necessary, fill in the answer box to complete your choice, O A The expression has not been simplified correctly. The correct answer is (Type your answer using exponential notation. Use positive exponents only.) () B. The expression has been simplified correctly. ID: 4.1.1 2. Decide whether the expression has been simplified correctly. If not, correct it. a'+a'=q Select the correct choice below and, if necessary, fill in the answer box to complete your choice, O A The expression has not been simplified correctly. The correct answer is (Simplify your answer. Type your answer using exponential notation.) () B. The expression has been simplified correctly. ID: 4.1.4 3. Match each number written in scientific notation in Column | with the | Choose the correct answers below. correct choice from Column II. Not all choices in Column 11 will be used. | n (1) ! L @ s53x107* (a) 53x10* A. 53,000 2 (b) 53x10" B. 530,000 () 53x10" (} 53x10 C. 0.00053 ) (@ 53%107 D. 0000053 ( 53x10 E. 5300 @ (d) 53x10 MmMOA QE 2 OA OE B)OAa OE HOA OE ON:) Qs OB QOB Oc Qc Oc QOc OD oD OD OD ID:4.2.2 4. Write the number in scientific notation. 320 (Use scientific notation. Use the multiplication symbol in the math palette as needed.) ID:4.2.9 5. Give the numerical coefficient and the degree of the following term. - TVB The numerical coefficient of the term is :] The degree of the term is l:l 1D: 4.3.9 6, Simplify the polynomial by combining like terms, 2 2 8x +6x Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The simplified polynomial is (0 B. The polynomial cannot be simplified