What is the best estimate for the product of 289 and8

(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )

What is the solution for 6 - 7/8? explain the steps.

Write each rational number in the form a/b, where a and b are integers. 1. 5 1/6 2. -12