1. Multiplication of Real Numbers

118. When multiplying or dividing integers
an even number of negatives

119. When multiplying or dividing integers
an even number of negatives yields a positive product

120. When multiplying or dividing integers
an odd number of negatives

121. When multiplying or dividing integers
an odd number of negatives yields a negative product

197. During a chemical reaction, the temperature to the beaker decreased by 20 C every minute until 10:23 A.M.

198. During a chemical reaction, the temperature to the beaker decreased by 20 C every minute until 10:23 A.M. If the temperature was 170 C at 10:00 A.M., when the reaction
began,

199. During a chemical reaction, the temperature to the beaker decreased by 20 C every minute until 10:23 A.M. If the temperature was 170 C at 10:00 A.M., when the reaction
began, what was the temperature at 10:23 A.M.

200. During a chemical reaction, the temperature to the beaker decreased by 20 C every minute until 10:23 A.M. If the temperature was 170 C at 10:00 A.M., when the reaction
began, what was the temperature at 10:23 A.M.

210. During a chemical reaction, the temperature to the beaker decreased by 20 C every minute until 10:23 A.M. If the temperature was 170 C at 10:00 A.M., when the reaction
began, what was the temperature at 10:23 A.M.

211. 1.5 Numbers

212. Go For The Zero Means
1. Draw the ____
2. Bring down the __ __ and its _______
3. Add in the _____
4. Bring _____the ____ signs