Hiking up a mountain, you notice that the air temperature drops 10°C for every 1,000 meters increase in elevation. Write a multi
plication expression to represent the decrease in temperature if you hike up the mountain 3,000 meters. Then evaluate the expression and explain its meaning.
<h2>A perfect square is an integer or a number that can be expressed as the square of another integer.</h2><h2>The first twelve perfect squares are:</h2><h2>1, 4, 9, 16, 25, 49, 64, 81, 100, 121, 144, 169, .</h2>
