Answer: -216
Step-by-step explanation:
To solve the exercise you must use the formula shown below:

Where:

You should find 
The formula to find it is:

Where d is the difference between two consecutive terms.

Then:

Substitute it into the first formula. Therefore, you obtain:

The area of the missing slice is 15 inches ²
<h3>How to determine the area</h3>
From the information given, we can see that the pizza takes the form of a circle;
Area of the missing slice takes the shape of a triangle
Area of a triangle = 1/ 2 base × height
base = 10 inches
height = 3 inches
Area of missing slice = 1/ 2 × 10 × 3
Area = 1/ 2 × 30
Area = 15 inches ²
Thus, the area of the missing slice is 15 inches ²
Learn more about triangles here:
brainly.com/question/1475130
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Answer:
1362 grams
Step-by-step explanation:
For an approximate result, multiply the mass value by 454.
3 · 454 = 1362
Or you could look up on Google "3 pounds to grams" and it will say 1360.78. YOU'RE WELCOME IN ADVANCE! : )