How do you write the number 815642120 in words using the international system?

The number 815,642,120 can be expressed in words using the international numbering system as follows: Eight hundred fifteen million, six hundred forty-two thousand, one hundred twenty. To break it down further: Eight hundred fifteen million: This part represents the first three digits (815) combined with the million place. Six hundred forty-two thousand: The next three … Read more

How do you determine the rate of change of the area of a circle when its circumference is increasing at a rate of 5 meters per minute and the radius is 4 meters?

To find the rate of change of the area of a circle when its circumference is increasing, we can use the relationships between circumference, radius, and area. Step 1: Understand the relationship The circumference C of a circle is given by the formula: C = 2πr where r is the radius. The area A of … Read more