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.

x = 2

step-by-step explanation:

if sr parallel to ba then the sides bc and ac are in proportion, that is

= ← substitute values

= ( cross- multiply )

27x = 6(4x + 1)

27x = 24x + 6 ( subtract 24x from both sides )

3x = 6 ( divide both sides by 3 )

x = 2

the answer is d

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