Write in scientific notation.0.0000011212
A. 1.1212 × 10-5
B. 1.1212 × 10-7
C. 1.1212 × 10-6
D. 1.1212 × 106
Answer: C
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Solve.Kerri's teacher asks her to solve the following problem: "Factor the following trinomial, if possible. What factorization could Kerri use to represent her solution?
A. (x + 8)(x - 6) B. (x - 8)(x - 6) C. (x + 8)(x + 6) D. (x - 8)(x + 6)
Solve the problem.Find k if x = 1 is a solution of the equation kx2 + x - 5 = 0.
A. k = -4 B. k = -6 C. k = 4 D. k = 6
Solve the problem.A certain radioactive isotope has a half-life of approximately 1250 years. How many years to the nearest year would be required for a given amount of this isotope to decay to 70% of that amount?
A. 2171 yr B. 375 yr C. 643 yr D. 573 yr
Find a function P(x) of least possible degree, having real coefficients, with the given zeros.2, -14, and 6 + 7i
A. P(x) = x4 - 8x3 + 14x2 - 678x + 2380 B. P(x) = x4 - 339x2 + 1356x - 2380 C. P(x) = x4 - 87x2 + 1356x - 2380 D. P(x) = x4 - 8x3 - 14x2 + 678x - 2380