The given infinite geometric series is

The first term is a = 1/3.
The common ratio is r = 1/3.
The sum is

Answer: 1/2
Answer:
Pretty miserable tbh, I have 9 Assingments
Explanation:
Elements emit colours when heated because electrons in atoms can have only certain allowed energies.Heating an atom excites its electrons and they jump to higher energy levels. When the electrons return to lower energy levels, they emit energy in the form of light. Every element has a different number of electrons and a different set of energy levels. Thus, each element emits its own set of colours. See, for example, mercury and neon above. Those colours are as distinctive to each element as fingerprints are to people.
Answer:
Length of arc = 21.99 inch (Approx.)
Explanation:
Given:
Radius of given circle = 6 inch
Central angle = 210°
Find:
Length of arc
Computation:
Length of arc = [θ/360][2πr]
Length of arc = [210/360][2(22/7)(6)]
Length of arc = [0.583][12(3.1428)]
Length of arc = [0.583][12(3.1428)]
Length of arc = [0.583][37.7136]
Length of arc = 21.987
Length of arc = 21.99 inch (Approx.)
The size and shape have no effect on density of matter because the size and shape of the particles stay the same no matter what.