How many significant figures will the answer to the following calculation have? Note: Keeping proper sig. fig

31. The nurse is working in the preoperative surgical department and understands the importance of all preoperative requirements being completed before the client may proceed with surgery. Which statements by the nurse reflect that the preoperative requirements have been met? Select All That Apply 

12.0 grams of carbon is the mass of____

Calculate the following: Note: Keeping proper sig. figs.8.99 x 0.21

Perform the following conversion:  8.76 ng to mg

24. A client asks the nurse to explain a living will. Which statement by the nurse is most accurate? 

31. The nurse is working in the preoperative surgical department and understands the importance of all preoperative requirements being completed before the client may proceed with surgery. Which statements by the nurse reflect that the preoperative requirements have been met? Select All That Apply 

If the electrons are shared between two atoms, the bond is called _____.

16. The nurse is providing education to a client concerning calcium intake. During the discussion, the nurse addresses a potential health concern related to inadequate calcium intake. Which condition is most impacted by inadequate calcium intake? 

26. A client is receiving a loop-diuretic furosemide 80 mg PO daily for treatment of edema related to Congestive Heart Failure. Which lab value would require the nurse to notify the healthcare provider?