Which of the following numbers has exactly two significant digits? A. 3.40
B. 2.125
C. 1.0475
D. 0.00050

Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

Let x = a + bi and y = c + di and z = f + gi. which statements are true?

What is the value of the product (3-2i)(3+2i)?