What is the following number in decimal form? 1.68 * 10 - 8

a. 0.00000000168

b. 0.0000000168

c. 168,000,000

d. 16,800,000,000

Cathy pays $25 a month plus $0.05 per text message. She models this with the function C = 0.05x + 25. If the text messaging fee increases to $0.10, what is her new function? A) C = 10x + 25 B) C = 0.10x + 25 C) C = 0.10x + 0.05 D) C = 0.05x + 0.10

4[ (8 + 4) 10] + 24 devided by 2^3

Which expression is equivalent to 2.2 - 2.5? A 2.5 - 2.2 B 2.2 + 2.5 C 2.2 + (-2.5) D 2.2 - (-2.5)

Determine whether the quadratic equation has two unequal real number solutions, two equal real number solutions, or two complex number solutions.

Domain of graph of y=x^2-6x-23

What fraction is equivalent to 5.1? is 5.1 a rational number?

Natalie has a choice of three breads, five choices of meats, and four choices of cheese to make a sandwich. how many different sandwiches can she make?

What is the area of this triangle 12 inches and 3 inches

Write as an expression and simplify: the tripled product of 6a and b^2

What does n equals when 10 = - 8+n divided by 4