Joe's batting average is 0.264.what digit in 0.264 is in the hundredths place

Given this information, which expression must represent the value of b?

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.