What is the sum total of 2.36 cm, 5.298 cm, and 5.53 cm, using significant digits? 13 cm

13.188 cm

13.19 cm

13.20 cm

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

Evaluate cos2θ for cosθ = square root of 3/2

Simplify using positive exponents only.