Concentrations of dissolved compounds are usually written as mass per unit volume. Diabetes is usually tested by measure fasting blood glucose levels. A fasting blood glucose level of 126 mg/dL or higher is a strong indicator for diabetes. Express this concentration in g/mL.

Determine the larger quantity between the following pair: 2.9 × 10^–4 GW or 7.1 × 10³ kW.

Complete the equivalent expressions below by providing the missing values:

(a) 1 nmol = _____ mol

(b) 1 mol = _____ nmol

(c) 1 Tm = _____ m

(d) 1 m = _____ Tm

Without using exponents, express the following measurements using the appropriate metric prefixes: 4.785 × 10^–9 g.

Perform the following conversions: 425 km     _____dm       _____cm

What is the area of a telescope lens in mm² if its area in square feet is 8645 ft²?