CBSE Class 7 Answered
Compare the following pair of numbers. (i) 2.5 x 103 and 3.5 x 102 (ii) 25 and 52
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
(i) 2.5 x 103 and 3.5 x 102
Or, 2.5 x 1000 and 3.5 x 100
Or, 2500 and 350
Clearly, 2500 > 350
Therefore, 2.5 x 103 > 3.5 x 102
(ii) 25 and 52
Or, 2 x 2 x 2 x 2 x 2 and 5 x 5
Or, 32 and 25
Clearly, 32 > 25
Therefore, 25 > 52
Or, 2.5 x 1000 and 3.5 x 100
Or, 2500 and 350
Clearly, 2500 > 350
Therefore, 2.5 x 103 > 3.5 x 102
(ii) 25 and 52
Or, 2 x 2 x 2 x 2 x 2 and 5 x 5
Or, 32 and 25
Clearly, 32 > 25
Therefore, 25 > 52
Answered by | 04 Jun, 2014, 03:23: PM
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