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The answer is 117 units squared. This is figured by multiplication: 13 x 9 = 117 units2 Let's say that the office is 13 meters x 9 meters, then the surface is 117 m2
The answer is 117 units squared. This is figured by multiplication: 13 x 9 = 117 units2 Let's say that the office is 13 meters x 9 meters, then the surface is 117 m2
20 units. NB 12 units = 1 dozen 13 units = Baker's dozen 20 units - 1 score 144 units = 1 gross.
Units are so important in working word problems because they matter the most. Units matter more than the numbers of the answers itself. For an example: 11 Kg + 13 kg = 24 Kg. Notice the unit is Kg. According to human error, the answer could be 24 dm or 24 cm. It's wrong because the unit is wrong. Therefore, units matter the most.
Because 13 and -13 multiplied together both = 169:13 x 13 =169 and,-13 x -13 = 169