He has 10 spice jars, but the spice rack only holds 8 spice jars.
Calculate in how many ways he can choose 8 spice jars from 10 spice jars using combination:

Each combination of 8 spice jars that he chooses he can arrange in 8! ways.
He can choose 8 spice jars in (10!)/(8!×2!) ways and arrange each combination in 8! ways.
Using the rule of product:

He can arrange 8 jars on the spice rack in c. 1,814,400 ways.
Answer:
Step-by-step explanation:
Quadratic equations are commonly used in situations where two things are multiplied together and they both depend on the same variable. For example, when working with area, if both dimensions are written in terms of the same variable, you use a quadratic equation.
Answer: the answer is 3.1 square meters.
Answer:
11 times 2.8
Step-by-step explanation:
11 times 2 is 22. 11 times .8 is 8.8. 22 plus 8.8 is 30.8