Given x= 2.6 x 10^4 and y =5.0 x 10^-8 calculate the value of w = xy give your answer in the form a x 10^k

Which of the following system of equation is not equal to the system of equations is not equal to the system of equations shown below

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4