That is the Sigma Symbol. It’s the addition of a sequence of numbers; the result is the sum of the total. if numbers are added sequentially from left to right, any intermediate result is a partial sum, prefix sum, or running total of the summation
Answer:
1, 2 and 3
Explanation:
The most dense substance will settle at the bottom of the cup
The scale is a rest scale reads the support for is not enough net force.
