The video tutorial explains how to apply polynomial equations to calculate the number of flu virus particles in billions in a person's body after three days of infection. It demonstrates substituting values into the equation, simplifying using the order of operations, and verifying the result. The tutorial also shows how to use a calculator to achieve the same result, emphasizing the importance of understanding the process and using technology for verification.

What does the polynomial equation in the video describe?

• The number of flu virus particles in a person's body over time.

• The rate of recovery from a flu infection.

• The spread of a virus in a community.

• The growth of bacteria in a petri dish.

What value of X is used to find the number of virus particles after three days?

• 1

• 4

• 2

• 3

What is the first step in simplifying the polynomial expression?

• Simplify the exponents.

• Divide the terms.

• Multiply the coefficients.

• Add the constants.

What is the result of 3 to the fourth power?

• 81

• 9

• 27

• 64

What is the product of -0.72 and 81?

• -57.92

• -59.32

• -58.32

• -60.32

What is the sum of -58.32, 81, and 28.2?

• 52.88

• 49.88

• 51.88

• 50.88

How many billion virus particles are present after three days?

• 54.88

• 52.88

• 50.88

• 48.88

What is the advantage of using a calculator for this calculation?

• It provides a different result.

• It simplifies the process.

• It is more accurate.

• It is faster.

What is the final result when using a calculator to verify the equation?

• 49.88

• 51.88

• 50.88

• 52.88

What key is used on a calculator to raise a number to a power?

• Addition key

• Multiplication key

• Subtraction key

• Exponent key