Write the numerical expression for the product of 8 and the sum of 9 and 11.3. then evaluate it.

Solution: The numerical expression is and the value of this expression is 162.4.

Explanation:

The sum of 9 and 11.3 is written as .

The product of 8 means the expression should multiply by 8.

According to the given information the the product of 8 and the sum of 9 and 11.3 is written as .

To evaluate the value of the expression first we have to add 9 and 11.3 after that multiply the result by 8.

Therefore, the numerical expression is and the value of this expression is 162.4.

168

step-by-step explanation:

i am pretty sure that the answer is 168

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a