The density of an object can be found by dividing the mass of the object by its volume. The volume of the Earth is 2.1\times 10^{11}2.1×10
11
cubic meters and its mass is 7\times 10^{24}7×10
24
kilograms. What is the density of the Earth in kilograms per cubic meter? Answer should be in scientific notation with first number being rounded to the hundredths place.

for finding the midpoint of any given 2 pair of points simply add the respective x coordinates with other x coordinate and the y coordinate with other y coordinate and divide them by 2

in your question it will be :

(3+1)/2 for the x coordinate of mid point i.e 2

[8+(-4)]/2 for the y coordinate of midpoint i.e 2

so coordinates of mid point of points (3,8) and (1,-4) will be (2,2)

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step-by-step explanation:

answer: it's d

step-by-step explanation:

no

step-by-step explanation: