Question

5456 1 2 lbs PHET: Unit Rules Click the "Shopping' button in the simulation above candy! 1. Select the Purple Cand. What is the cost of pound 2. Select the Red Candy, How many pounds Which con testo of candy cost $2.517 Please enter a number with 2 SF without a unit Rede

how many pounds of red candy cost $2.51? enter the number with 2 SF without a unit.

Answer 1

SIGNIFICANT FIGURES + It is the numbers of digits necessary to express the results of a measurement consistent with the measured preusion: Determining no. off. Bignificant figures; 1) An non-zereo digits are significant. eng 285 cm 7 3 significant figures 11) Zeroes preceeding to first non-zero digits are not significant erg 0.03 one significant figure 000052 > a significant figure

isi) Zeroes between two non-zero digits are signifrcant. 9 20005 — 4 significant figures iv) zerwoes at the end ore right of a number are significant provided they are on the right side of decimcu point. ay Oo 200 - 3 bignificant figures 100 1 significant figure 800.0 4 significant figures

According to the image provided (1 lbs = 1 pound) = 4.56 $ will get you 12 lbs 1 & will get you 1.2 lbs. 4.56 - 2.251 2.51$ will get you to 2 x 2.51 abs - 4056 = 0.66 lbs So, 2.51 & will get you 0.66 pounds of red candy.