Use significant figures when performing calculations Question Which of the following is a rule of significant figures in calculations? Select the correct answer below: Round the result to the same number of digits as the number with the most number of significant figures. Round up if the digit to be dropped is less than 5. Round down if the digit to be dropped is less than 5. None of the above.

What is the mass in grams of 540 moles of lithium? 37.5 6.94 3.25times 10^24 1.29 none of the above

According to the lab guide, which changes below will you look for in order to test the hypothesis? Check all that apply. D changes in shape or size D color changes whether changes are easily reversible temperature changes formation of precipitates or gases changes of state (gas, liquid, or solid)

Is the statement below true or false? The most common form of tetanus is cephalic tetanus. True False

Match the following elements necessary for fire with their corresponding descriptions. CHOOSE AN OPTION BELOW Fuel square Oxidizing agent square Heat square Chemical chain reaction square

What is the freezing point of a solution of 0.5 mol of LiBr in 500 mL of water? (K^f=1.86^circ C/m) -7.44C -3.72C -5.58C -1.86C