(1 point) find two unit vectors orthogonal to a = (1, 4, 1) and b= (-1,-1,2) enter your answer so that the first non-zero coordinate of the first vector is positive. first vector: second vector:

9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265