options: Apply and extend previous understandings of numbers to the system of rational numbers.

Know that there are numbers that are not rational, and approximate them by rational numbers.

Use complex numbers in polynomial identities and equations.

Use properties of rational and irrational numbers.

Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.

Perform operations on vectors.

Perform operations on matrices and use matrices in applications.

Extend the properties of exponents to rational exponents.

Represent and model with vector quantities.

Reason quantitatively and use units to solve problems.

Perform arithmetic operations with complex numbers.

Compute fluently with multi-digit numbers and find common factors and multiples.

Represent complex numbers and their operations on the complex plane.

Apply and extend previous understandings of multiplication and division to divide fractions by fractions.
problem_activity: Task
Use the computation shown below to find the products.
[IMG]
$189\times 16$
$80\times 16$
$9 \times 16$


correct_option_index: 11