According to the rules of significant figures, 7.8987 +5.23 = 13.13. this is
because the least precise value in the problem is 5.23, which is precise only
to the hundredths digit, so the answer must also be rounded to the nearest
hundredths

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74