48.078 to the nearest 10

Use the matrix-column representation of the product to write each column of ab as a linear combination of the columns of a.

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)