What's 720,080 in expanded form with exponents

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

Which of the following is the result of expanding the series

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.