There Are ________ Oxygen Atoms in 30 Molecules of C₂₀H₄₂S₃O₂

question 103

Multiple Choice

There are ________ oxygen atoms in 30 molecules of C₂₀H₄₂S₃O₂.

• A)6.0 x 10²³
• B)1.8 x 10²⁵
• C)3.6 x 10²⁵
• D)1.2 x 10²⁴
• E)60

Analyze and solve quadratic equations with real coefficients.

Understand how to make a quadratic expression a perfect square trinomial.

Solve quadratic inequalities.

Identify the effect of parameters on the solutions of a quadratic equation.

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Definitions:

Conical Surface

A surface that extends outward and away in all directions from a common point, resembling the shape of a cone.

Frustum

A truncated shape that results from cutting a pyramid or cone with a plane parallel to its base, leaving two bases, one smaller than the other.

Pitch Angle

The angle between the helix of a thread or gear on a cylindrical shaft and an imaginary line perpendicular to the shaft's axis.

Pitch Cone

The imaginary cone that defines the pitch surface of conical gears or screw threads, where the common vertex of the gear teeth or threads would converge.