What is (6x100) + (1x10) + (7x1) + (9 x 1/10) + (2x 1/1000) in standard form?

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.