Express 21.5 cubic centimeters in quarts

for the messy handwriting. trying to make sure I do the problems correctly
Express 30523000 in scientific notation. a. 3 x 10 03.0523 x 10 c. 305 x 10' d. 30523 x 10 e. 305230 x 10 4. The number 0.00003009 expressed in exponential notation is @ 3.009 x 10 b. 3.0 x 10- 3.009 x 10-5 C. 3.009 x 10 d. 3.009 x 104 e. 3.009 Express the number 178481, in scientific notation. a. 1.78481 x 10 b 1.78481 x 10 c. 1.78 x 10 d. 178.481 x 10 e. 1.8 x 10 Convert: 38.6 L= _mL. a. 3.86 x 10mL b. 3.86 x 104 mL C. 3.86 x 10 ml @ 3.86x 10-2 mL e. 3.86 mL A cubic centimeter (cm') is equivalent to what other metric volume unit? a. milliliter 6 liter c. deciliter d. centimeter e. millimeter Using the rules of significant figures, calculate the following: 13.4561 - 3.48 13.4561 bsiq b. 10 3.48 -3 sig 9.9761 .9.98 5. 6. a 9.98
c. 9.9761 d. 9.976 e. 9 735.789,42 7. Using the rules of significant figures, calculate the following: 12.67 + 13.005 = 1267 19 a. 25.675 1112,67-4 sig b. 25 c. 20 13.005 5 sig 25.68 e. 26 Convert 737,5 qt to milliliters (1 L = 1.060 qt). a. 7.775 x 10 ml b. 7.335 x 10 ml c. 8.242 x 10 mL 7.35* d. 733.5 mL e none of these 9. Convert 9.75 kg to pounds (1 lb = 453.6 g). a. 21.5 lb (b. 2.15 x 10 9 lb c. 4.42 x 10' lb d. 4.42 lb v=nia e. 4.42 x 1016 D=7 10. Calculate the mass of a rectangular solid that has a density of 3.96 g/cm' and measures 2.50 cm by 1.80 cm by 3.00 cm. a. 3.41 g b. 53.5 g- c. 9.90 g d. 28.9 g 3.969/cm² = x x 13.5 (2.50cm 1.80 cm 3.0 53.5 = X e. 56.5 g 2 13.5.5.96 g/cm =- 13,5cm °F. (T= T-c * (9°F / 5°C) +32°F) 11. Convert: -46.9°C = a) -84.4 °F b) -116 °F (C -52.4 °F a) 116 °F e) 226.1 °F 90 x646.99 + 32 °F --52.427