The moon forms a right triangle with the earth and the sun during one of its phases as shown below.
a scientist measures the angle x and the distance y between the sun and the moon. using complete sentences explain how the scientist can use only these two measurements to calculate the distance between the earth and the moon.

the answer is:

the correct option:

b.

to solve the problem, we need to remember how to operate to simplify exponential expressions using the logarithms.

we are given the equation:

then, using placing logarith with base 7 on both sides of the equation, we have:

so, rounding the obtained result to two decimal places (nearest hundreth), we have:

hence, we have that the correct option:

b.

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e^-kt = n/n0 = 0.79  

-kt = ln 0.79  

t = - ln 0.79/0.0001  

= 2357 years

step-by-step explanation:

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step-by-step explanation: