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Mathematics 11 Online
OpenStudy (anonymous):

Simplify the expression. Write the answer using scientific notation. 8(8.8 x 1012)

OpenStudy (anonymous):

\[8*8.8*10^{12}\]

OpenStudy (anonymous):

first multiply 8 with 8.8 and what do you get?

OpenStudy (anonymous):

Multiple Choice: Type your answer choice in the blank. Factor the expression. _____1. 16m2 – 24mn + 9n2 A. (4m – 3n)(4m + 3n) B. (16m – 3n)(m + 3n) C. (4m – 3n)2 D. (4m + 3n)2 ________________________________________ Short Answer: Type your answer below the question. 2. Write 32x5y5 with only one exponent. Use parentheses. (2xy)^5 ________________________________________ Multiple Choice: Type your answer choice in the blank. _____3. Factor by grouping. 3x2 + 7x – 6 A. (3x – 2)(x – 3) B. (3x – 2)(x + 3) C. (x + 3)(3x + 2) D. (3x + 2)(x – 3) ________________________________________ Short Answer: Type your answer below the question. 4. Factor the following trinomial. w18 – 9w9y5 + 14y10 22^42 ________________________________________ Multiple Choice: Type your answer choice in the blank. _____5. Simplify the expression. Write the answer using scientific notation. 8(8.8 x 1012) A. 70.4 x 1012 B. 70.4 x 1024 C. 70.4 x 1013 D. 1.68 x 1013 ________________________________________ Short Answer: Type your answer below the question. 6. Order 34 x 102, 1.2 x 107, 8.11 x 10-3, and 435 from least to greatest. ________________________________________ 7. Factor the following expression. 198q3r2 – 184q2r2 + 18qr2 ________________________________________ Multiple Choice: Type your answer choice in the blank. _____8. Simplify the expression. (〖-1〗^5/〖-2〗^(-3) )^2 A. 1/64 B. 64 C. 2^30 D. 2^(-30) ________________________________________ Short Answer: Type your answer below the question. 9. Find the next three terms of the sequence. Then write a rule for the sequence. 648, 216, 72, 24 ________________________________________ 10. Solve the equation. Show your work. 163 = 4x ________________________________________ Multiple Choice: Type your answer choice in the blank. _____11. Solve the system using elimination. 3x + 3y = –9 3x – 3y = 21 A. (3, –6) B. (–5, 2) C. (3, 3) D. (2, –5) ________________________________________ _____12. Simplify the expression. 3^7/3^5 A. 335 B. 312 C. 1/3^9 D. 9 ________________________________________ _____13. Simplify the expression. (k2)4 A. k6 B. 2k8 C. k16 D. k8 ________________________________________ _____14. Simplify the expression. (-8.6)0 A. –1 B. 0 C. –8.6 D. 1 ________________________________________ Short Answer: Type your answer below the question. 15. Find a pair of factors for each number by using the difference of two squares. a. 45 b. 77 c. 112 a. b. c.

OpenStudy (anonymous):

can you help with these too?

OpenStudy (anonymous):

too lazy, when you multiply 8 * 8.8 first, you get 70.4 * 10 ^ 12 however this is not in scientific notation you job now is to change 70.4 * 10 ^ 12 into scientific notation

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