The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function M(x) = log 
, where xo = 10-3.Two earthquakes differ by 0.1 when measured on the Richter scale. How would the seismographic readings differ at a distance of 100 kilometers from the epicenter?
What will be an ideal response?
The earthquake of greater magnitude has a seismographic reading that is 
times that of the lesser earthquake.
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Determine the place value of the digit 3 in the whole number.273,600
A. hundreds B. thousands C. hundred thousands D. ten thousands
Multiply by using the rule for the square of a binomial.(5x + 12)2
A. 25x2 + 144 B. 25x2 + 120x + 144 C. 5x2 + 144 D. 5x2 + 120x + 144
Perform the indicated row operations on the following matrix. 
(-2)R1 + R2 ? R2
A. 
B. 
C. 
D. 
Solve the problem.The path of a projectile fired at an inclination ? to the horizontal with an initial speed vo is a parabola. The range R of the projectile, the horizontal distance that the projectile travels, is found by the formula src="https://sciemce.com/media/4/ppg__rfde0526191616__f1q85g4.jpg" alt="" style="vertical-align: -4.0px;" /> to the horizontal. Round your answer to two decimal places.
A. 883.54 ft
B. 539.30 ft
C. 883.44 ft
D. 1,078.61 ft
where 
feet per second per second or 
meters per second per second. Find the range of a projectile fired with an initial velocity of 174 feet per second at an angle of