25 points out of 625 Question 7 Incorrect 000 points out of 625 Perform the

# 25 points out of 625 question 7 incorrect 000 points

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6.25 points out of 6.25 Question 7 Incorrect 0.00 points out of 6.25 Perform the indicated operation and write the answer in scientific notation. (1.2 × 10 )(3.8 × 10 ) Select one: a. 4.56 × 100 b. 4.56 × 10 c. 4.56 × 10 d. 5 × 10 The correct answer is: 4.56 × 10 Simplify the expression. Write your answer with positive exponents only. Select one: a. b. c. d. The correct answer is: 6 7 13 13 42 13 13 -2 -1 3 of 10
Question 8 Incorrect 0.00 points out of 6.25 Question 9 Incorrect 0.00 points out of 6.25 The correct answer is: Convert the expression to radical notation. x Select one: a. 7 b. c. d. The correct answer is: Simplify the expression by using the properties of rational exponents. Write the final answer using positive exponents only. ( x y ) Select one: a. x y b. x y c. x y d. x y The correct answer is: x y 1/7 4 8 2/3 14/3 26/3 4 8 4 16/3 8/3 16/3 8/3 16/3 4 of 10
Question 10 Incorrect 0.00 points out of 6.25 Question 11 Incorrect 0.00 points out of 6.25 Question 12 Incorrect 0.00 points out of 6.25 The correct answer is: x y Add the radical expressions. 9 + 6 Select one: a. 15 b. 54 c. 15 d. Cannot be simplified further The correct answer is: 15 Subtract the polynomials and simplify.