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Mathematics, 26.06.2019 05:40 alexis0430
8! it's timed, i promise it's simple 11. which of the following expressions is true? a. 4^3β’ 4^4 = 412b. 5^2 β’ 5^3 > 5^5c. 3^2 β’ 35 < 3^8d. 5^2 β’ 54 = 5812. which of the following expressions is true? a.8^3 β’ 8^2 < 8^4b. 4^4 β’ 4^4 = 4^16c. 2^2 β’ 2^6 < 2^8d. 3^3 β’ 3^3 > 3^5write the value of the expression.13. 3^4/3^4a. 3b. 0c. 1d. 414. 4^7/4^9a. β16b. 1/16c. 1/8d. 8multiply. write the result in scientific notation.15. (2.3 β’ 10^1)(7 β’ 10^6)a. 1.61 β’ 10^7b. 1.61 β’ 10^8c. 9.3 β’ 10^6d. 9.3 β’ 10^716. (1.7 β 10β4)(5 β 10β5)a. 8.5 β 10^β9b. 8.5 β 10^20c. 6.7 β 10^β9d. 6.7 β 10^20simplify the expression.17. 7t4 β 7t4a. 49t^8b. 14t^4c. 49t^16d14t^8simplify the expression.18. βx(7x β 8)a. 6x^2 β 9xb. β7x β 8xc. β7x^2 + 8xd. 7x + 8xsimplify the expression.19. 4k2(β3k2 β 4k + 5)a. β12k^4 β 16k^3 + 20k^2b. 12k^4 β 16k^3 + 9k^2c. β12k^3 + 20kd. k4 + 9k^2simplify the expression.20. (2k + 1) (k β 4) a. 2k^2 β 7k + 4b. 2k^2 β3k + 4c. 2k^2 + 9k + 4d. 2k^2β 7k β 4
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8! it's timed, i promise it's simple 11. which of the following expressions is true? a. 4^3β’ 4^4...
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