Page 127 - Basic College Mathematics with Early Integers

104 C HAPTE R 1 I THE WHOLE NUMBERS

2
516 - 32 7116 - 82
127. 18 , 3 + 7 128. 12 - 8 , 4 129. 130.
2
3 + 2 2 3

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131. 48 , 8 2 132. 27 , 9 3

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5
4
133. 2 + 3[1 + 120 - 172 3] + 5 2 134. 21 - [2 - 17 - 52 - 10] + 8 2
Simplify. (These exercises contain square roots.)

135. 281 136. 24 137. 21 138. 20

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139. 4 225 - 2 7 140. 8 249 - 3 9
2
2
141. A 236 - 216B 3 # [10 , 13 + 172] 142. A 249 - 225B 3 # [9 , 12 + 72]

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5 7 - 3 225 4 8 - 1 2121
143. 144.
2 3
2A 2121 - 3 B 3A 281 - 2 B

Find the area of each square.

145. A square with side length of 7 meters. 146.
3 inches

Mixed Review

Perform the indicated operations.
147. 375 - 68 148. 729 - 47 149. 723 * 3 150. 629 * 4
Copyright 2012 Pearson Education, Inc.

151. 264 + 39 + 598 152. 593 + 52 + 766 153. 135962 154. 184267

155. 1968 * 36 156. 5324 * 18 157. 2000 - 356 158. 9000 - 519