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

Use complex numbers in polynomial identities and equations.

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

Perform operations on vectors.

Use properties of rational and irrational numbers.

Apply and extend previous understandings of multiplication and division to divide fractions by fractions.

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

Represent complex numbers and their operations on the complex plane.

Perform arithmetic operations with complex numbers.

Reason quantitatively and use units to solve problems.

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

Extend the properties of exponents to rational exponents.

Represent and model with vector quantities.

Perform operations on matrices and use matrices in applications.
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: 2