Scientific notation a = 6.24 x 10-), b= 3.15 x 104, c= -2.8x10-4. Find the values : 1. a + b 2. a-b 3. ab 4. ab 5. a + c 6. a-c 7. ac 8. alc 9. c+b 10. ac - b 11. 12. a + bc 13. abc 15. a (b + c) +e-a a-o-c 14. a + b b-c 16. bcca -c) Conversions 1) 5 L tomL. 2) 50mM to M. 3) 35 m to um. 4) 0.235 mL to UL Chart Concentration (X) Absorbance (Y) 50% 0.650 25% 0.327 12.5% 0.152 6.25% 0.075 3.125% 0.040